139002774 has 32 divisors (see below), whose sum is σ = 283481856. Its totient is φ = 45426720.

The previous prime is 139002763. The next prime is 139002793. The reversal of 139002774 is 477200931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214519 + ... + 215165.

It is an arithmetic number, because the mean of its divisors is an integer number (8858808).

Almost surely, 2^139002774 is an apocalyptic number.

139002774 is an abundant number, since it is smaller than the sum of its proper divisors (144479082).

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

139002774 is a wasteful number, since it uses less digits than its factorization.

139002774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 139002774 is about 11789.9437657692. The cubic root of 139002774 is about 518.0135926627.

The spelling of 139002774 in words is "one hundred thirty-nine million, two thousand, seven hundred seventy-four".