153392138 has 4 divisors (see below), whose sum is σ = 230088210. Its totient is φ = 76696068.

The previous prime is 153392117. The next prime is 153392143. The reversal of 153392138 is 831293351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831293351 = 7 ⋅118756193.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 57410929 = 9797^2 + 7577^2 .

It is a super-2 number, since 2×153392138² = 47058296000422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153392098 and 153392107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38348033 + ... + 38348036.

Almost surely, 2^153392138 is an apocalyptic number.

153392138 is a deficient number, since it is larger than the sum of its proper divisors (76696072).

153392138 is an equidigital number, since it uses as much as digits as its factorization.

153392138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76696071.

The product of its digits is 19440, while the sum is 35.

The square root of 153392138 is about 12385.1579723474. The cubic root of 153392138 is about 535.3046717184.

The spelling of 153392138 in words is "one hundred fifty-three million, three hundred ninety-two thousand, one hundred thirty-eight".