139465430 has 16 divisors (see below), whose sum is σ = 270348624. Its totient is φ = 51494880.

The previous prime is 139465429. The next prime is 139465463. The reversal of 139465430 is 34564931.

It is a happy number.

139465430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536276 + ... + 536535.

It is an arithmetic number, because the mean of its divisors is an integer number (16896789).

Almost surely, 2^139465430 is an apocalyptic number.

139465430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139465430 is a deficient number, since it is larger than the sum of its proper divisors (130883194).

139465430 is a wasteful number, since it uses less digits than its factorization.

139465430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072831.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 139465430 is about 11809.5482555431. The cubic root of 139465430 is about 518.5876739893.

The spelling of 139465430 in words is "one hundred thirty-nine million, four hundred sixty-five thousand, four hundred thirty".