1151634340 has 12 divisors (see below), whose sum is σ = 2418432156. Its totient is φ = 460653728.

The previous prime is 1151634317. The next prime is 1151634427. The reversal of 1151634340 is 434361511.

It can be written as a sum of positive squares in 2 ways, for example, as 211353444 + 940280896 = 14538^2 + 30664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1151634299 and 1151634308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28790839 + ... + 28790878.

It is an arithmetic number, because the mean of its divisors is an integer number (201536013).

Almost surely, 2^1151634340 is an apocalyptic number.

1151634340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151634340 is an abundant number, since it is smaller than the sum of its proper divisors (1266797816).

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

1151634340 is a wasteful number, since it uses less digits than its factorization.

1151634340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57581726 (or 57581724 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1151634340 is about 33935.7383889020. The cubic root of 1151634340 is about 1048.1856315599.

Adding to 1151634340 its reverse (434361511), we get a palindrome (1585995851).

The spelling of 1151634340 in words is "one billion, one hundred fifty-one million, six hundred thirty-four thousand, three hundred forty".