139334508 has 36 divisors (see below), whose sum is σ = 359704800. Its totient is φ = 45456096.

The previous prime is 139334479. The next prime is 139334513. The reversal of 139334508 is 805433931.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39483 + ... + 42866.

It is an arithmetic number, because the mean of its divisors is an integer number (9991800).

Almost surely, 2^139334508 is an apocalyptic number.

139334508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139334508 is an abundant number, since it is smaller than the sum of its proper divisors (220370292).

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

139334508 is a wasteful number, since it uses less digits than its factorization.

139334508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82406 (or 82401 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 139334508 is about 11804.0038969834. The cubic root of 139334508 is about 518.4253499121.

The spelling of 139334508 in words is "one hundred thirty-nine million, three hundred thirty-four thousand, five hundred eight".