139929104 has 30 divisors (see below), whose sum is σ = 315377694. Its totient is φ = 59969280.

The previous prime is 139929103. The next prime is 139929113. The reversal of 139929104 is 401929931.

It can be written as a sum of positive squares in only one way, i.e., 119858704 + 20070400 = 10948^2 + 4480^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139929103) 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, 88457 + ... + 90024.

Almost surely, 2^139929104 is an apocalyptic number.

139929104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139929104 is an abundant number, since it is smaller than the sum of its proper divisors (175448590).

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

139929104 is a wasteful number, since it uses less digits than its factorization.

139929104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178503 (or 178490 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 139929104 is about 11829.1632840197. The cubic root of 139929104 is about 519.1617460853.

It can be divided in two parts, 1399 and 29104, that added together give a palindrome (30503).

The spelling of 139929104 in words is "one hundred thirty-nine million, nine hundred twenty-nine thousand, one hundred four".