557240135 has 4 divisors (see below), whose sum is σ = 668688168. Its totient is φ = 445792104.

The previous prime is 557240119. The next prime is 557240137. The reversal of 557240135 is 531042755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557240135 - 2⁴ = 557240119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557240137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55724009 + ... + 55724018.

It is an arithmetic number, because the mean of its divisors is an integer number (167172042).

Almost surely, 2^557240135 is an apocalyptic number.

557240135 is a deficient number, since it is larger than the sum of its proper divisors (111448033).

557240135 is a wasteful number, since it uses less digits than its factorization.

557240135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111448032.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 557240135 is about 23605.9343174550. The cubic root of 557240135 is about 822.9007590523.

The spelling of 557240135 in words is "five hundred fifty-seven million, two hundred forty thousand, one hundred thirty-five".