1137185452 has 36 divisors (see below), whose sum is σ = 2158280040. Its totient is φ = 524040192.

The previous prime is 1137185449. The next prime is 1137185453. The reversal of 1137185452 is 2545817311.

It is not an unprimeable number, because it can be changed into a prime (1137185453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778699 + ... + 780157.

Almost surely, 2^1137185452 is an apocalyptic number.

It is an amenable number.

1137185452 is a deficient number, since it is larger than the sum of its proper divisors (1021094588).

1137185452 is a wasteful number, since it uses less digits than its factorization.

1137185452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2627 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 1137185452 is about 33722.1804158628. The cubic root of 1137185452 is about 1043.7835105978.

The spelling of 1137185452 in words is "one billion, one hundred thirty-seven million, one hundred eighty-five thousand, four hundred fifty-two".