139170270 has 32 divisors (see below), whose sum is σ = 335412000. Its totient is φ = 36956160.

The previous prime is 139170259. The next prime is 139170287. The reversal of 139170270 is 72071931.

139170270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (10481625).

Almost surely, 2^139170270 is an apocalyptic number.

139170270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139170270 is an abundant number, since it is smaller than the sum of its proper divisors (196241730).

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

139170270 is a wasteful number, since it uses less digits than its factorization.

139170270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 139170270 is about 11797.0449689742. The cubic root of 139170270 is about 518.2215750296.

The spelling of 139170270 in words is "one hundred thirty-nine million, one hundred seventy thousand, two hundred seventy".