139796472 has 64 divisors (see below), whose sum is σ = 363204000. Its totient is φ = 44785664.

The previous prime is 139796413. The next prime is 139796513. The reversal of 139796472 is 274697931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245404 + ... + 245972.

Almost surely, 2^139796472 is an apocalyptic number.

139796472 is a gapful number since it is divisible by the number (12) 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 139796472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181602000).

139796472 is an abundant number, since it is smaller than the sum of its proper divisors (223407528).

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

139796472 is a wasteful number, since it uses less digits than its factorization.

139796472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 956 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 139796472 is about 11823.5558103305. Note that the first 3 decimals coincide. The cubic root of 139796472 is about 518.9976648333.

The spelling of 139796472 in words is "one hundred thirty-nine million, seven hundred ninety-six thousand, four hundred seventy-two".