185642132137 has 12 divisors (see below), whose sum is σ = 233203340608. Its totient is φ = 144656206200.

The previous prime is 185642132119. The next prime is 185642132147. The reversal of 185642132137 is 731231246581.

It is a happy number.

It is not a de Polignac number, because 185642132137 - 2³¹ = 183494648489 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 185642132093 and 185642132102.

It is not an unprimeable number, because it can be changed into a prime (185642132147) 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, 109587189 + ... + 109588882.

Almost surely, 2^185642132137 is an apocalyptic number.

It is an amenable number.

185642132137 is a deficient number, since it is larger than the sum of its proper divisors (47561208471).

185642132137 is a wasteful number, since it uses less digits than its factorization.

185642132137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219176100 (or 219176089 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The spelling of 185642132137 in words is "one hundred eighty-five billion, six hundred forty-two million, one hundred thirty-two thousand, one hundred thirty-seven".