1355113999 has 4 divisors (see below), whose sum is σ = 1355958864. Its totient is φ = 1354269136.

The previous prime is 1355113973. The next prime is 1355114009. The reversal of 1355113999 is 9993115531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1355113999 - 2⁷ = 1355113871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355113499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420022 + ... + 423235.

It is an arithmetic number, because the mean of its divisors is an integer number (338989716).

Almost surely, 2^1355113999 is an apocalyptic number.

1355113999 is a deficient number, since it is larger than the sum of its proper divisors (844865).

1355113999 is an equidigital number, since it uses as much as digits as its factorization.

1355113999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844864.

The product of its digits is 164025, while the sum is 46.

The square root of 1355113999 is about 36811.8730710623. The cubic root of 1355113999 is about 1106.6032565259.

The spelling of 1355113999 in words is "one billion, three hundred fifty-five million, one hundred thirteen thousand, nine hundred ninety-nine".