1157435398 has 16 divisors (see below), whose sum is σ = 1986384384. Its totient is φ = 495491400.

The previous prime is 1157435393. The next prime is 1157435401. The reversal of 1157435398 is 8935347511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157435393) 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, 32878 + ... + 58273.

It is an arithmetic number, because the mean of its divisors is an integer number (124149024).

Almost surely, 2^1157435398 is an apocalyptic number.

1157435398 is a deficient number, since it is larger than the sum of its proper divisors (828948986).

1157435398 is an equidigital number, since it uses as much as digits as its factorization.

1157435398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92067.

The product of its digits is 453600, while the sum is 46.

The square root of 1157435398 is about 34021.1022455181. The cubic root of 1157435398 is about 1049.9426720023.

The spelling of 1157435398 in words is "one billion, one hundred fifty-seven million, four hundred thirty-five thousand, three hundred ninety-eight".