137387025073 has 4 divisors (see below), whose sum is σ = 138468812800. Its totient is φ = 136305237348.

The previous prime is 137387025037. The next prime is 137387025161. The reversal of 137387025073 is 370520783731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137387025073 - 2²¹ = 137384927921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137387025673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540893673 + ... + 540893926.

It is an arithmetic number, because the mean of its divisors is an integer number (34617203200).

Almost surely, 2^137387025073 is an apocalyptic number.

It is an amenable number.

137387025073 is a deficient number, since it is larger than the sum of its proper divisors (1081787727).

137387025073 is a wasteful number, since it uses less digits than its factorization.

137387025073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081787726.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 137387025073 in words is "one hundred thirty-seven billion, three hundred eighty-seven million, twenty-five thousand, seventy-three".