150139368517 has 2 divisors, whose sum is σ = 150139368518. Its totient is φ = 150139368516.

The previous prime is 150139368451. The next prime is 150139368541. The reversal of 150139368517 is 715863931051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134460822721 + 15678545796 = 366689^2 + 125214^2 .

It is a cyclic number.

It is not a de Polignac number, because 150139368517 - 2³¹ = 147991884869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150139368557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75069684258 + 75069684259.

It is an arithmetic number, because the mean of its divisors is an integer number (75069684259).

Almost surely, 2^150139368517 is an apocalyptic number.

It is an amenable number.

150139368517 is a deficient number, since it is larger than the sum of its proper divisors (1).

150139368517 is an equidigital number, since it uses as much as digits as its factorization.

150139368517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 150139368517 in words is "one hundred fifty billion, one hundred thirty-nine million, three hundred sixty-eight thousand, five hundred seventeen".