137539321884 has 36 divisors (see below), whose sum is σ = 347791047240. Its totient is φ = 45830325600.

The previous prime is 137539321847. The next prime is 137539321919. The reversal of 137539321884 is 488123935731.

137539321884 is a `hidden beast` number, since 1 + 3 + 7 + 539 + 3 + 21 + 8 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×137539321884² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137539321884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567399 + ... + 772670.

Almost surely, 2^137539321884 is an apocalyptic number.

It is an amenable number.

137539321884 is an abundant number, since it is smaller than the sum of its proper divisors (210251725356).

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

137539321884 is a wasteful number, since it uses less digits than its factorization.

137539321884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342930 (or 1342925 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 137539321884 in words is "one hundred thirty-seven billion, five hundred thirty-nine million, three hundred twenty-one thousand, eight hundred eighty-four".