555135138 has 12 divisors (see below), whose sum is σ = 1202792838. Its totient is φ = 185045040.

The previous prime is 555135101. The next prime is 555135149. The reversal of 555135138 is 831531555.

555135138 is a `hidden beast` number, since 5 + 5 + 513 + 5 + 138 = 666.

It can be written as a sum of positive squares in only one way, i.e., 534858129 + 20277009 = 23127^2 + 4503^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15420403 + ... + 15420438.

Almost surely, 2^555135138 is an apocalyptic number.

555135138 is an abundant number, since it is smaller than the sum of its proper divisors (647657700).

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

555135138 is a wasteful number, since it uses less digits than its factorization.

555135138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840849 (or 30840846 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 555135138 is about 23561.3059485250. The cubic root of 555135138 is about 821.8632713425.

The spelling of 555135138 in words is "five hundred fifty-five million, one hundred thirty-five thousand, one hundred thirty-eight".