139468834 has 8 divisors (see below), whose sum is σ = 213654528. Its totient is φ = 68250660.

The previous prime is 139468807. The next prime is 139468837. The reversal of 139468834 is 438864931.

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

It is not an unprimeable number, because it can be changed into a prime (139468837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741762 + ... + 741949.

It is an arithmetic number, because the mean of its divisors is an integer number (26706816).

Almost surely, 2^139468834 is an apocalyptic number.

139468834 is a deficient number, since it is larger than the sum of its proper divisors (74185694).

139468834 is a wasteful number, since it uses less digits than its factorization.

139468834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483760.

The product of its digits is 497664, while the sum is 46.

The square root of 139468834 is about 11809.6923753331. The cubic root of 139468834 is about 518.5918930947.

The spelling of 139468834 in words is "one hundred thirty-nine million, four hundred sixty-eight thousand, eight hundred thirty-four".