139813484 has 24 divisors (see below), whose sum is σ = 249062688. Its totient is φ = 68660480.

The previous prime is 139813483. The next prime is 139813493. The reversal of 139813484 is 484318931.

It is not an unprimeable number, because it can be changed into a prime (139813483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89252 + ... + 90804.

It is an arithmetic number, because the mean of its divisors is an integer number (10377612).

Almost surely, 2^139813484 is an apocalyptic number.

It is an amenable number.

139813484 is a deficient number, since it is larger than the sum of its proper divisors (109249204).

139813484 is a wasteful number, since it uses less digits than its factorization.

139813484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 139813484 is about 11824.2751997744. The cubic root of 139813484 is about 519.0187164618.

The spelling of 139813484 in words is "one hundred thirty-nine million, eight hundred thirteen thousand, four hundred eighty-four".