139274154 has 40 divisors (see below), whose sum is σ = 325654560. Its totient is φ = 44405064.

The previous prime is 139274129. The next prime is 139274167. The reversal of 139274154 is 451472931.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 14964 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (8141364).

Almost surely, 2^139274154 is an apocalyptic number.

139274154 is an abundant number, since it is smaller than the sum of its proper divisors (186380406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139274154 is a wasteful number, since it uses less digits than its factorization.

139274154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37416 (or 37407 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 139274154 is about 11801.4471146550. The cubic root of 139274154 is about 518.3504855615.

It can be divided in two parts, 13927 and 4154, that added together give a palindrome (18081).

The spelling of 139274154 in words is "one hundred thirty-nine million, two hundred seventy-four thousand, one hundred fifty-four".