1137277656 has 96 divisors (see below), whose sum is σ = 3231995520. Its totient is φ = 360806400.

The previous prime is 1137277633. The next prime is 1137277681. The reversal of 1137277656 is 6567727311.

1137277656 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131976 + ... + 140328.

It is an arithmetic number, because the mean of its divisors is an integer number (33666620).

Almost surely, 2^1137277656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137277656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615997760).

1137277656 is an abundant number, since it is smaller than the sum of its proper divisors (2094717864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1137277656 is a wasteful number, since it uses less digits than its factorization.

1137277656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8450 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 1137277656 is about 33723.5475002260. The cubic root of 1137277656 is about 1043.8117201314.

The spelling of 1137277656 in words is "one billion, one hundred thirty-seven million, two hundred seventy-seven thousand, six hundred fifty-six".