137153623 has 8 divisors (see below), whose sum is σ = 145254528. Its totient is φ = 129230904.

The previous prime is 137153591. The next prime is 137153633. The reversal of 137153623 is 326351731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137153623 - 2⁵ = 137153591 is a prime.

It is a super-2 number, since 2×137153623² = 37622232604052258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137153633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42961 + ... + 46042.

It is an arithmetic number, because the mean of its divisors is an integer number (18156816).

Almost surely, 2^137153623 is an apocalyptic number.

137153623 is a deficient number, since it is larger than the sum of its proper divisors (8100905).

137153623 is an equidigital number, since it uses as much as digits as its factorization.

137153623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89093.

The product of its digits is 11340, while the sum is 31.

The square root of 137153623 is about 11711.2605213956. The cubic root of 137153623 is about 515.7062895432.

The spelling of 137153623 in words is "one hundred thirty-seven million, one hundred fifty-three thousand, six hundred twenty-three".