137481642385 has 16 divisors (see below), whose sum is σ = 174620496960. Its totient is φ = 103620928320.

The previous prime is 137481642367. The next prime is 137481642391. The reversal of 137481642385 is 583246184731.

It is not a de Polignac number, because 137481642385 - 2¹⁹ = 137481118097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3980527 + ... + 4014916.

It is an arithmetic number, because the mean of its divisors is an integer number (10913781060).

Almost surely, 2^137481642385 is an apocalyptic number.

It is an amenable number.

137481642385 is a deficient number, since it is larger than the sum of its proper divisors (37138854575).

137481642385 is a wasteful number, since it uses less digits than its factorization.

137481642385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995648.

The product of its digits is 3870720, while the sum is 52.

The spelling of 137481642385 in words is "one hundred thirty-seven billion, four hundred eighty-one million, six hundred forty-two thousand, three hundred eighty-five".