1137520332 has 72 divisors (see below), whose sum is σ = 3108356160. Its totient is φ = 348675840.

The previous prime is 1137520313. The next prime is 1137520379. The reversal of 1137520332 is 2330257311.

1137520332 is a `hidden beast` number, since 1 + 137 + 520 + 3 + 3 + 2 = 666.

It is a super-3 number, since 3×1137520332³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1137520296 and 1137520305.

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, 122344 + ... + 131312.

Almost surely, 2^1137520332 is an apocalyptic number.

1137520332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137520332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554178080).

1137520332 is an abundant number, since it is smaller than the sum of its proper divisors (1970835828).

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

1137520332 is a wasteful number, since it uses less digits than its factorization.

1137520332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1137520332 is about 33727.1453283553. The cubic root of 1137520332 is about 1043.8859588296.

Adding to 1137520332 its reverse (2330257311), we get a palindrome (3467777643).

The spelling of 1137520332 in words is "one billion, one hundred thirty-seven million, five hundred twenty thousand, three hundred thirty-two".