185135264 has 12 divisors (see below), whose sum is σ = 364485114. Its totient is φ = 92567616.

The previous prime is 185135263. The next prime is 185135311. The reversal of 185135264 is 462531581.

It can be written as a sum of positive squares in only one way, i.e., 105925264 + 79210000 = 10292^2 + 8900^2 .

It is not an unprimeable number, because it can be changed into a prime (185135261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892707 + ... + 2892770.

Almost surely, 2^185135264 is an apocalyptic number.

It is an amenable number.

185135264 is a deficient number, since it is larger than the sum of its proper divisors (179349850).

185135264 is an equidigital number, since it uses as much as digits as its factorization.

185135264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785487 (or 5785479 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 185135264 is about 13606.4420036981. The cubic root of 185135264 is about 569.9407592069.

The spelling of 185135264 in words is "one hundred eighty-five million, one hundred thirty-five thousand, two hundred sixty-four".