139484736 has 42 divisors (see below), whose sum is σ = 399809462. Its totient is φ = 46494720.

The previous prime is 139484731. The next prime is 139484749. The reversal of 139484736 is 637484931.

139484736 is a `hidden beast` number, since 139 + 48 + 473 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 19713600 = 10944^2 + 4440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139484691 and 139484700.

It is not an unprimeable number, because it can be changed into a prime (139484731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120505 + ... + 121656.

Almost surely, 2^139484736 is an apocalyptic number.

139484736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139484736 is an abundant number, since it is smaller than the sum of its proper divisors (260324726).

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

139484736 is a wasteful number, since it uses less digits than its factorization.

139484736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242179 (or 242166 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 139484736 is about 11810.3656166945. The cubic root of 139484736 is about 518.6116020019.

The spelling of 139484736 in words is "one hundred thirty-nine million, four hundred eighty-four thousand, seven hundred thirty-six".