139732931501 has 2 divisors, whose sum is σ = 139732931502. Its totient is φ = 139732931500.

The previous prime is 139732931497. The next prime is 139732931549. The reversal of 139732931501 is 105139237931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134449822276 + 5283109225 = 366674^2 + 72685^2 .

It is a cyclic number.

It is not a de Polignac number, because 139732931501 - 2² = 139732931497 is a prime.

It is a super-2 number, since 2×139732931501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139732930501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69866465750 + 69866465751.

It is an arithmetic number, because the mean of its divisors is an integer number (69866465751).

Almost surely, 2^139732931501 is an apocalyptic number.

It is an amenable number.

139732931501 is a deficient number, since it is larger than the sum of its proper divisors (1).

139732931501 is an equidigital number, since it uses as much as digits as its factorization.

139732931501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 139732931501 in words is "one hundred thirty-nine billion, seven hundred thirty-two million, nine hundred thirty-one thousand, five hundred one".