1319202828 has 24 divisors (see below), whose sum is σ = 3420155760. Its totient is φ = 439734240.

The previous prime is 1319202827. The next prime is 1319202853. The reversal of 1319202828 is 8282029131.

It is a super-2 number, since 2×1319202828² = 3480592202806395168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1319202792 and 1319202801.

It is not an unprimeable number, because it can be changed into a prime (1319202821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6107313 + ... + 6107528.

It is an arithmetic number, because the mean of its divisors is an integer number (142506490).

Almost surely, 2^1319202828 is an apocalyptic number.

1319202828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1319202828 is an abundant number, since it is smaller than the sum of its proper divisors (2100952932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1319202828 is a wasteful number, since it uses less digits than its factorization.

1319202828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214854 (or 12214846 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1319202828 is about 36320.8318737333. The cubic root of 1319202828 is about 1096.7404410581.

The spelling of 1319202828 in words is "one billion, three hundred nineteen million, two hundred two thousand, eight hundred twenty-eight".