139624784896 has 33 divisors (see below), whose sum is σ = 279137122329. Its totient is φ = 69806413824.

The previous prime is 139624784881. The next prime is 139624784899. The reversal of 139624784896 is 698487426931.

The square root of 139624784896 is 373664.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 119328793600 + 20295991296 = 345440^2 + 142464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139624784899) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11951410 + ... + 11963086.

Almost surely, 2^139624784896 is an apocalyptic number.

139624784896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

139624784896 is the 373664-th square number.

It is an amenable number.

139624784896 is a deficient number, since it is larger than the sum of its proper divisors (139512337433).

139624784896 is an frugal number, since it uses more digits than its factorization.

139624784896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23374 (or 11679 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 67.

The spelling of 139624784896 in words is "one hundred thirty-nine billion, six hundred twenty-four million, seven hundred eighty-four thousand, eight hundred ninety-six".