153474139 has 12 divisors (see below), whose sum is σ = 189930576. Its totient is φ = 121429152.

The previous prime is 153474137. The next prime is 153474143. The reversal of 153474139 is 931474351.

153474139 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 153474139 - 2¹ = 153474137 is a prime.

It is a super-2 number, since 2×153474139² = 47108622683582642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153474098 and 153474107.

It is not an unprimeable number, because it can be changed into a prime (153474137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63684 + ... + 66049.

It is an arithmetic number, because the mean of its divisors is an integer number (15827548).

Almost surely, 2^153474139 is an apocalyptic number.

153474139 is a deficient number, since it is larger than the sum of its proper divisors (36456437).

153474139 is a wasteful number, since it uses less digits than its factorization.

153474139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129766 (or 129753 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 153474139 is about 12388.4679843797. The cubic root of 153474139 is about 535.4000431834.

The spelling of 153474139 in words is "one hundred fifty-three million, four hundred seventy-four thousand, one hundred thirty-nine".