139741308 has 48 divisors (see below), whose sum is σ = 414050560. Its totient is φ = 39925872.

The previous prime is 139741253. The next prime is 139741321. The reversal of 139741308 is 803147931.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 91666 + ... + 93177.

Almost surely, 2^139741308 is an apocalyptic number.

139741308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139741308 is an abundant number, since it is smaller than the sum of its proper divisors (274309252).

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

139741308 is a wasteful number, since it uses less digits than its factorization.

139741308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184863 (or 184855 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 139741308 is about 11821.2227793913. Note that the first 3 decimals coincide. The cubic root of 139741308 is about 518.9293899729.

The spelling of 139741308 in words is "one hundred thirty-nine million, seven hundred forty-one thousand, three hundred eight".