139413270 has 32 divisors (see below), whose sum is σ = 336607488. Its totient is φ = 36952928.

The previous prime is 139413251. The next prime is 139413271. The reversal of 139413270 is 72314931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139413271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8904 + ... + 18923.

It is an arithmetic number, because the mean of its divisors is an integer number (10518984).

Almost surely, 2^139413270 is an apocalyptic number.

139413270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139413270 is an abundant number, since it is smaller than the sum of its proper divisors (197194218).

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

139413270 is a wasteful number, since it uses less digits than its factorization.

139413270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 139413270 is about 11807.3396664956. The cubic root of 139413270 is about 518.5230154189.

The spelling of 139413270 in words is "one hundred thirty-nine million, four hundred thirteen thousand, two hundred seventy".