137823225 has 24 divisors (see below), whose sum is σ = 235728960. Its totient is φ = 70969920.

The previous prime is 137823173. The next prime is 137823239. The reversal of 137823225 is 522328731.

137823225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137823225 - 2²⁶ = 70714361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29509 + ... + 33858.

It is an arithmetic number, because the mean of its divisors is an integer number (9822040).

Almost surely, 2^137823225 is an apocalyptic number.

137823225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137823225 is a deficient number, since it is larger than the sum of its proper divisors (97905735).

137823225 is a wasteful number, since it uses less digits than its factorization.

137823225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63409 (or 63404 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 137823225 is about 11739.8136697309. The cubic root of 137823225 is about 516.5441760728.

The spelling of 137823225 in words is "one hundred thirty-seven million, eight hundred twenty-three thousand, two hundred twenty-five".