139948662 has 64 divisors (see below), whose sum is σ = 332849664. Its totient is φ = 38396160.

The previous prime is 139948643. The next prime is 139948667. The reversal of 139948662 is 266849931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139948667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114768 + ... + 115980.

It is an arithmetic number, because the mean of its divisors is an integer number (5200776).

Almost surely, 2^139948662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139948662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166424832).

139948662 is an abundant number, since it is smaller than the sum of its proper divisors (192901002).

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

139948662 is a wasteful number, since it uses less digits than its factorization.

139948662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its digits is 559872, while the sum is 48.

The square root of 139948662 is about 11829.9899408241. The cubic root of 139948662 is about 519.1859328392.

The spelling of 139948662 in words is "one hundred thirty-nine million, nine hundred forty-eight thousand, six hundred sixty-two".