139186914 has 8 divisors (see below), whose sum is σ = 278373840. Its totient is φ = 46395636.

The previous prime is 139186907. The next prime is 139186919. The reversal of 139186914 is 419681931.

It is a sphenic number, since it is the product of 3 distinct primes.

139186914 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (139186919) 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 3 ways as a sum of consecutive naturals, for example, 11598904 + ... + 11598915.

It is an arithmetic number, because the mean of its divisors is an integer number (34796730).

Almost surely, 2^139186914 is an apocalyptic number.

139186914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139186914 is a wasteful number, since it uses less digits than its factorization.

139186914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23197824.

The product of its digits is 46656, while the sum is 42.

The square root of 139186914 is about 11797.7503787798. The cubic root of 139186914 is about 518.2422330242.

The spelling of 139186914 in words is "one hundred thirty-nine million, one hundred eighty-six thousand, nine hundred fourteen".