139274064 has 60 divisors (see below), whose sum is σ = 412709076. Its totient is φ = 43693056.

The previous prime is 139274029. The next prime is 139274087. The reversal of 139274064 is 460472931.

It can be written as a sum of positive squares in 2 ways, for example, as 62536464 + 76737600 = 7908^2 + 8760^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25999 + ... + 30894.

Almost surely, 2^139274064 is an apocalyptic number.

It is an amenable number.

139274064 is an abundant number, since it is smaller than the sum of its proper divisors (273435012).

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

139274064 is a wasteful number, since it uses less digits than its factorization.

139274064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56924 (or 56915 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 139274064 is about 11801.4433015627. The cubic root of 139274064 is about 518.3503739075.

The spelling of 139274064 in words is "one hundred thirty-nine million, two hundred seventy-four thousand, sixty-four".