139214406 has 32 divisors (see below), whose sum is σ = 296634240. Its totient is φ = 43429824.

The previous prime is 139214399. The next prime is 139214407. The reversal of 139214406 is 604412931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139214407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (9269820).

Almost surely, 2^139214406 is an apocalyptic number.

139214406 is an abundant number, since it is smaller than the sum of its proper divisors (157419834).

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

139214406 is a wasteful number, since it uses less digits than its factorization.

139214406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 139214406 is about 11798.9154586343. The cubic root of 139214406 is about 518.2763515993.

The spelling of 139214406 in words is "one hundred thirty-nine million, two hundred fourteen thousand, four hundred six".