139192416 has 144 divisors (see below), whose sum is σ = 440490960. Its totient is φ = 41333760.

The previous prime is 139192397. The next prime is 139192421. The reversal of 139192416 is 614291931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167490 + ... + 168318.

It is an arithmetic number, because the mean of its divisors is an integer number (3058965).

Almost surely, 2^139192416 is an apocalyptic number.

139192416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139192416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220245480).

139192416 is an abundant number, since it is smaller than the sum of its proper divisors (301298544).

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

139192416 is a wasteful number, since it uses less digits than its factorization.

139192416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 898 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 139192416 is about 11797.9835565235. The cubic root of 139192416 is about 518.2490615665.

The spelling of 139192416 in words is "one hundred thirty-nine million, one hundred ninety-two thousand, four hundred sixteen".