135251120519 has 2 divisors, whose sum is σ = 135251120520. Its totient is φ = 135251120518.

The previous prime is 135251120491. The next prime is 135251120603. The reversal of 135251120519 is 915021152531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135251120519 - 2²⁴ = 135234343303 is a prime.

It is a super-2 number, since 2×135251120519² (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 (135251120119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67625560259 + 67625560260.

It is an arithmetic number, because the mean of its divisors is an integer number (67625560260).

Almost surely, 2^135251120519 is an apocalyptic number.

135251120519 is a deficient number, since it is larger than the sum of its proper divisors (1).

135251120519 is an equidigital number, since it uses as much as digits as its factorization.

135251120519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 35.

The spelling of 135251120519 in words is "one hundred thirty-five billion, two hundred fifty-one million, one hundred twenty thousand, five hundred nineteen".