138014841431 has 2 divisors, whose sum is σ = 138014841432. Its totient is φ = 138014841430.

The previous prime is 138014841407. The next prime is 138014841443. The reversal of 138014841431 is 134148410831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138014841431 is a prime.

It is a super-2 number, since 2×138014841431² (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 (138014841131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69007420715 + 69007420716.

It is an arithmetic number, because the mean of its divisors is an integer number (69007420716).

Almost surely, 2^138014841431 is an apocalyptic number.

138014841431 is a deficient number, since it is larger than the sum of its proper divisors (1).

138014841431 is an equidigital number, since it uses as much as digits as its factorization.

138014841431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 138014841431 in words is "one hundred thirty-eight billion, fourteen million, eight hundred forty-one thousand, four hundred thirty-one".