57020231356134 has 16 divisors (see below), whose sum is σ = 114043015231488. Its totient is φ = 19006318365512.

The previous prime is 57020231356087. The next prime is 57020231356139. The reversal of 57020231356134 is 43165313202075.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57020231356139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106064502 + ... + 106600745.

It is an arithmetic number, because the mean of its divisors is an integer number (7127688451968).

Almost surely, 2^{57020231356134} is an apocalyptic number.

57020231356134 is an abundant number, since it is smaller than the sum of its proper divisors (57022783875354).

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

57020231356134 is a wasteful number, since it uses less digits than its factorization.

57020231356134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212709939.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 57020231356134 in words is "fifty-seven trillion, twenty billion, two hundred thirty-one million, three hundred fifty-six thousand, one hundred thirty-four".