1523535342139 has 2 divisors, whose sum is σ = 1523535342140. Its totient is φ = 1523535342138.

The previous prime is 1523535342061. The next prime is 1523535342151. The reversal of 1523535342139 is 9312435353251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1523535342139 - 2⁷ = 1523535342011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523535342839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761767671069 + 761767671070.

It is an arithmetic number, because the mean of its divisors is an integer number (761767671070).

Almost surely, 2^{1523535342139} is an apocalyptic number.

1523535342139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523535342139 is an equidigital number, since it uses as much as digits as its factorization.

1523535342139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458000, while the sum is 46.

The spelling of 1523535342139 in words is "one trillion, five hundred twenty-three billion, five hundred thirty-five million, three hundred forty-two thousand, one hundred thirty-nine".