1157136634 has 8 divisors (see below), whose sum is σ = 1738457568. Its totient is φ = 577650780.

The previous prime is 1157136619. The next prime is 1157136653. The reversal of 1157136634 is 4366317511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1157136593 and 1157136602.

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, 457192 + ... + 459715.

It is an arithmetic number, because the mean of its divisors is an integer number (217307196).

Almost surely, 2^1157136634 is an apocalyptic number.

1157136634 is a deficient number, since it is larger than the sum of its proper divisors (581320934).

1157136634 is an equidigital number, since it uses as much as digits as its factorization.

1157136634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917540.

The product of its digits is 45360, while the sum is 37.

The square root of 1157136634 is about 34016.7110991054. The cubic root of 1157136634 is about 1049.8523251121.

It can be divided in two parts, 11571 and 36634, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 1157136634 in words is "one billion, one hundred fifty-seven million, one hundred thirty-six thousand, six hundred thirty-four".