139277902 has 8 divisors (see below), whose sum is σ = 214012512. Its totient is φ = 67940400.

The previous prime is 139277867. The next prime is 139277917. The reversal of 139277902 is 209772931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 849174 + ... + 849337.

It is an arithmetic number, because the mean of its divisors is an integer number (26751564).

Almost surely, 2^139277902 is an apocalyptic number.

139277902 is a deficient number, since it is larger than the sum of its proper divisors (74734610).

139277902 is a wasteful number, since it uses less digits than its factorization.

139277902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698554.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 139277902 is about 11801.6059076721. The cubic root of 139277902 is about 518.3551352880.

The spelling of 139277902 in words is "one hundred thirty-nine million, two hundred seventy-seven thousand, nine hundred two".