137189027521 has 16 divisors (see below), whose sum is σ = 176189255424. Its totient is φ = 103825808064.

The previous prime is 137189027473. The next prime is 137189027533. The reversal of 137189027521 is 125720981731.

It is not a de Polignac number, because 137189027521 - 2¹¹ = 137189025473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137189027021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32771206 + ... + 32775391.

It is an arithmetic number, because the mean of its divisors is an integer number (11011828464).

Almost surely, 2^137189027521 is an apocalyptic number.

It is an amenable number.

137189027521 is a deficient number, since it is larger than the sum of its proper divisors (39000227903).

137189027521 is a wasteful number, since it uses less digits than its factorization.

137189027521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65546640.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 137189027521 in words is "one hundred thirty-seven billion, one hundred eighty-nine million, twenty-seven thousand, five hundred twenty-one".