139470102 has 12 divisors (see below), whose sum is σ = 302185260. Its totient is φ = 46490028.

The previous prime is 139470061. The next prime is 139470157. The reversal of 139470102 is 201074931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3874152 + ... + 3874187.

It is an arithmetic number, because the mean of its divisors is an integer number (25182105).

Almost surely, 2^139470102 is an apocalyptic number.

139470102 is an abundant number, since it is smaller than the sum of its proper divisors (162715158).

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

139470102 is a wasteful number, since it uses less digits than its factorization.

139470102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748347 (or 7748344 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 139470102 is about 11809.7460599286. The cubic root of 139470102 is about 518.5934647064.

The spelling of 139470102 in words is "one hundred thirty-nine million, four hundred seventy thousand, one hundred two".