1137531616 has 24 divisors (see below), whose sum is σ = 2411786664. Its totient is φ = 525014400.

The previous prime is 1137531611. The next prime is 1137531617. The reversal of 1137531616 is 6161357311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137531611) 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, 1366810 + ... + 1367641.

It is an arithmetic number, because the mean of its divisors is an integer number (100491111).

Almost surely, 2^1137531616 is an apocalyptic number.

1137531616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1137531616 is an abundant number, since it is smaller than the sum of its proper divisors (1274255048).

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

1137531616 is a wasteful number, since it uses less digits than its factorization.

1137531616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734474 (or 2734466 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 1137531616 is about 33727.3126115912. The cubic root of 1137531616 is about 1043.8894105394.

Adding to 1137531616 its reverse (6161357311), we get a palindrome (7298888927).

The spelling of 1137531616 in words is "one billion, one hundred thirty-seven million, five hundred thirty-one thousand, six hundred sixteen".