139961414 has 8 divisors (see below), whose sum is σ = 210064968. Its totient is φ = 69939760.

The previous prime is 139961407. The next prime is 139961449. The reversal of 139961414 is 414169931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16007 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (26258121).

Almost surely, 2^139961414 is an apocalyptic number.

139961414 is a deficient number, since it is larger than the sum of its proper divisors (70103554).

139961414 is a wasteful number, since it uses less digits than its factorization.

139961414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40950.

The product of its digits is 23328, while the sum is 38.

The square root of 139961414 is about 11830.5288977290. The cubic root of 139961414 is about 519.2017016167.

The spelling of 139961414 in words is "one hundred thirty-nine million, nine hundred sixty-one thousand, four hundred fourteen".