137504680052 has 24 divisors (see below), whose sum is σ = 243013123080. Its totient is φ = 68074941440.

The previous prime is 137504680043. The next prime is 137504680091. The reversal of 137504680052 is 250086405731.

It can be written as a sum of positive squares in 4 ways, for example, as 44068085776 + 93436594276 = 209924^2 + 305674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137504679991 and 137504680009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109349 + ... + 535692.

It is an arithmetic number, because the mean of its divisors is an integer number (10125546795).

Almost surely, 2^137504680052 is an apocalyptic number.

It is an amenable number.

137504680052 is a deficient number, since it is larger than the sum of its proper divisors (105508443028).

137504680052 is a wasteful number, since it uses less digits than its factorization.

137504680052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645571 (or 645569 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 137504680052 in words is "one hundred thirty-seven billion, five hundred four million, six hundred eighty thousand, fifty-two".