137427857556 has 24 divisors (see below), whose sum is σ = 349816365024. Its totient is φ = 41644805280.

The previous prime is 137427857521. The next prime is 137427857569. The reversal of 137427857556 is 655758724731.

It is a self number, because there is not a number n which added to its sum of digits gives 137427857556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520559935 + ... + 520560198.

It is an arithmetic number, because the mean of its divisors is an integer number (14575681876).

Almost surely, 2^137427857556 is an apocalyptic number.

It is an amenable number.

137427857556 is an abundant number, since it is smaller than the sum of its proper divisors (212388507468).

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

137427857556 is a wasteful number, since it uses less digits than its factorization.

137427857556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041120151 (or 1041120149 counting only the distinct ones).

The product of its digits is 49392000, while the sum is 60.

The spelling of 137427857556 in words is "one hundred thirty-seven billion, four hundred twenty-seven million, eight hundred fifty-seven thousand, five hundred fifty-six".