139369470 has 16 divisors (see below), whose sum is σ = 334486800. Its totient is φ = 37165184.

The previous prime is 139369421. The next prime is 139369481. The reversal of 139369470 is 74963931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322795 + ... + 2322854.

It is an arithmetic number, because the mean of its divisors is an integer number (20905425).

Almost surely, 2^139369470 is an apocalyptic number.

139369470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139369470 is an abundant number, since it is smaller than the sum of its proper divisors (195117330).

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

139369470 is a wasteful number, since it uses less digits than its factorization.

139369470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645659.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 139369470 is about 11805.4847422713. The cubic root of 139369470 is about 518.4687076118.

The spelling of 139369470 in words is "one hundred thirty-nine million, three hundred sixty-nine thousand, four hundred seventy".