137525250123 has 12 divisors (see below), whose sum is σ = 207284435280. Its totient is φ = 87697260816.

The previous prime is 137525250089. The next prime is 137525250157. The reversal of 137525250123 is 321052525731.

137525250123 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 2 + 525 + 0 + 123 = 666.

It is an interprime number because it is at equal distance from previous prime (137525250089) and next prime (137525250157).

It is not a de Polignac number, because 137525250123 - 2²⁰ = 137524201547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137525250193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332186388 + ... + 332186801.

It is an arithmetic number, because the mean of its divisors is an integer number (17273702940).

Almost surely, 2^137525250123 is an apocalyptic number.

137525250123 is a deficient number, since it is larger than the sum of its proper divisors (69759185157).

137525250123 is a wasteful number, since it uses less digits than its factorization.

137525250123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664373218 (or 664373215 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

Adding to 137525250123 its reverse (321052525731), we get a palindrome (458577775854).

The spelling of 137525250123 in words is "one hundred thirty-seven billion, five hundred twenty-five million, two hundred fifty thousand, one hundred twenty-three".