137520547612 has 54 divisors (see below), whose sum is σ = 292653824568. Its totient is φ = 56374840368.

The previous prime is 137520547603. The next prime is 137520547657. The reversal of 137520547612 is 216745025731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 559488 + ... + 766855.

Almost surely, 2^137520547612 is an apocalyptic number.

It is an amenable number.

137520547612 is an abundant number, since it is smaller than the sum of its proper divisors (155133276956).

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

137520547612 is a wasteful number, since it uses less digits than its factorization.

137520547612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326407 (or 1326375 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 137520547612 in words is "one hundred thirty-seven billion, five hundred twenty million, five hundred forty-seven thousand, six hundred twelve".