153391934 has 4 divisors (see below), whose sum is σ = 230087904. Its totient is φ = 76695966.

The previous prime is 153391919. The next prime is 153391939. The reversal of 153391934 is 439193351.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153391939) 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 as a sum of consecutive naturals, namely, 38347982 + ... + 38347985.

It is an arithmetic number, because the mean of its divisors is an integer number (57521976).

Almost surely, 2^153391934 is an apocalyptic number.

153391934 is a deficient number, since it is larger than the sum of its proper divisors (76695970).

153391934 is an equidigital number, since it uses as much as digits as its factorization.

153391934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76695969.

The product of its digits is 43740, while the sum is 38.

The square root of 153391934 is about 12385.1497366806. The cubic root of 153391934 is about 535.3044344134.

The spelling of 153391934 in words is "one hundred fifty-three million, three hundred ninety-one thousand, nine hundred thirty-four".