1157629436 has 6 divisors (see below), whose sum is σ = 2025851520. Its totient is φ = 578814716.

The previous prime is 1157629409. The next prime is 1157629439. The reversal of 1157629436 is 6349267511.

It is a super-2 number, since 2×1157629436² = 2680211822187356192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157629439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144703676 + ... + 144703683.

It is an arithmetic number, because the mean of its divisors is an integer number (337641920).

Almost surely, 2^1157629436 is an apocalyptic number.

It is an amenable number.

1157629436 is a deficient number, since it is larger than the sum of its proper divisors (868222084).

1157629436 is a wasteful number, since it uses less digits than its factorization.

1157629436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289407363 (or 289407361 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 1157629436 is about 34023.9538560703. The cubic root of 1157629436 is about 1050.0013411925.

The spelling of 1157629436 in words is "one billion, one hundred fifty-seven million, six hundred twenty-nine thousand, four hundred thirty-six".