135760497981 has 12 divisors (see below), whose sum is σ = 188888429472. Its totient is φ = 86569960048.

The previous prime is 135760497979. The next prime is 135760497989. The reversal of 135760497981 is 189794067531.

It is not a de Polignac number, because 135760497981 - 2¹ = 135760497979 is a prime.

It is a super-2 number, since 2×135760497981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135760497989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3038455 + ... + 3082811.

It is an arithmetic number, because the mean of its divisors is an integer number (15740702456).

Almost surely, 2^135760497981 is an apocalyptic number.

It is an amenable number.

135760497981 is a deficient number, since it is larger than the sum of its proper divisors (53127931491).

135760497981 is an frugal number, since it uses more digits than its factorization.

135760497981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88740 (or 44383 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 135760497981 in words is "one hundred thirty-five billion, seven hundred sixty million, four hundred ninety-seven thousand, nine hundred eighty-one".