139371064 has 32 divisors (see below), whose sum is σ = 299819520. Its totient is φ = 59497056.

The previous prime is 139370983. The next prime is 139371073. The reversal of 139371064 is 460173931.

It is a super-3 number, since 3×139371064³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9997 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (9369360).

Almost surely, 2^139371064 is an apocalyptic number.

139371064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139371064 is an abundant number, since it is smaller than the sum of its proper divisors (160448456).

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

139371064 is a wasteful number, since it uses less digits than its factorization.

139371064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739 (or 9735 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 139371064 is about 11805.5522530714. The cubic root of 139371064 is about 518.4706842187.

The spelling of 139371064 in words is "one hundred thirty-nine million, three hundred seventy-one thousand, sixty-four".