137456123 has 6 divisors (see below), whose sum is σ = 159897996. Its totient is φ = 117819492.

The previous prime is 137456117. The next prime is 137456131. The reversal of 137456123 is 321654731.

It is not a de Polignac number, because 137456123 - 2¹² = 137452027 is a prime.

It is a super-2 number, since 2×137456123² = 37788371500382258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137456123.

It is not an unprimeable number, because it can be changed into a prime (137456173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402565 + ... + 1402662.

It is an arithmetic number, because the mean of its divisors is an integer number (26649666).

Almost surely, 2^137456123 is an apocalyptic number.

137456123 is a deficient number, since it is larger than the sum of its proper divisors (22441873).

137456123 is an equidigital number, since it uses as much as digits as its factorization.

137456123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805241 (or 2805234 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 137456123 is about 11724.1683287131. The cubic root of 137456123 is about 516.0851508515.

The spelling of 137456123 in words is "one hundred thirty-seven million, four hundred fifty-six thousand, one hundred twenty-three".