139337211841 has 9 divisors (see below), whose sum is σ = 142035986659. Its totient is φ = 136688797336.

The previous prime is 139337211803. The next prime is 139337211851. The reversal of 139337211841 is 148112733931.

The square root of 139337211841 is 373279.

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., 100447794225 + 38889417616 = 316935^2 + 197204^2 .

It is a de Polignac number, because none of the positive numbers 2^k-139337211841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139337211851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19780266 + ... + 19787308.

Almost surely, 2^139337211841 is an apocalyptic number.

139337211841 is the 373279-th square number.

139337211841 is the 186640-th centered octagonal number.

It is an amenable number.

139337211841 is a deficient number, since it is larger than the sum of its proper divisors (2698774818).

139337211841 is an frugal number, since it uses more digits than its factorization.

139337211841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192 (or 7096 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The spelling of 139337211841 in words is "one hundred thirty-nine billion, three hundred thirty-seven million, two hundred eleven thousand, eight hundred forty-one".