137525023 has 4 divisors (see below), whose sum is σ = 137861680. Its totient is φ = 137188368.

The previous prime is 137524993. The next prime is 137525033. The reversal of 137525023 is 320525731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320525731 = 739 ⋅433729.

It is a cyclic number.

It is not a de Polignac number, because 137525023 - 2¹³ = 137516831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137524982 and 137525000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137525033) 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, 167715 + ... + 168532.

It is an arithmetic number, because the mean of its divisors is an integer number (34465420).

Almost surely, 2^137525023 is an apocalyptic number.

137525023 is a deficient number, since it is larger than the sum of its proper divisors (336657).

137525023 is an equidigital number, since it uses as much as digits as its factorization.

137525023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336656.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 137525023 is about 11727.1063353242. The cubic root of 137525023 is about 516.1713658234.

The spelling of 137525023 in words is "one hundred thirty-seven million, five hundred twenty-five thousand, twenty-three".