1137156677 has 4 divisors (see below), whose sum is σ = 1148415756. Its totient is φ = 1125897600.

The previous prime is 1137156617. The next prime is 1137156703. The reversal of 1137156677 is 7766517311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 748514881 + 388641796 = 27359^2 + 19714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137156677 - 2⁸ = 1137156421 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 (1137156617) 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, 5629388 + ... + 5629589.

It is an arithmetic number, because the mean of its divisors is an integer number (287103939).

Almost surely, 2^1137156677 is an apocalyptic number.

It is an amenable number.

1137156677 is a deficient number, since it is larger than the sum of its proper divisors (11259079).

1137156677 is a wasteful number, since it uses less digits than its factorization.

1137156677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259078.

The product of its digits is 185220, while the sum is 44.

The square root of 1137156677 is about 33721.7537651884. The cubic root of 1137156677 is about 1043.7747066617.

The spelling of 1137156677 in words is "one billion, one hundred thirty-seven million, one hundred fifty-six thousand, six hundred seventy-seven".