139496254 has 12 divisors (see below), whose sum is σ = 222277824. Its totient is φ = 65645024.

The previous prime is 139496243. The next prime is 139496263. The reversal of 139496254 is 452694931.

It is a self number, because there is not a number n which added to its sum of digits gives 139496254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120094 + ... + 121249.

It is an arithmetic number, because the mean of its divisors is an integer number (18523152).

Almost surely, 2^139496254 is an apocalyptic number.

139496254 is a deficient number, since it is larger than the sum of its proper divisors (82781570).

139496254 is a wasteful number, since it uses less digits than its factorization.

139496254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241379 (or 241362 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 139496254 is about 11810.8532291279. The cubic root of 139496254 is about 518.6258764527.

The spelling of 139496254 in words is "one hundred thirty-nine million, four hundred ninety-six thousand, two hundred fifty-four".