135777902457 has 8 divisors (see below), whose sum is σ = 182236125760. Its totient is φ = 89919140400.

The previous prime is 135777902423. The next prime is 135777902459. The reversal of 135777902457 is 754209777531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135777902457 - 2⁷ = 135777902329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135777902397 and 135777902406.

It is not an unprimeable number, because it can be changed into a prime (135777902459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149864782 + ... + 149865687.

It is an arithmetic number, because the mean of its divisors is an integer number (22779515720).

Almost surely, 2^135777902457 is an apocalyptic number.

It is an amenable number.

135777902457 is a deficient number, since it is larger than the sum of its proper divisors (46458223303).

135777902457 is a wasteful number, since it uses less digits than its factorization.

135777902457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299730623.

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 135777902457 in words is "one hundred thirty-five billion, seven hundred seventy-seven million, nine hundred two thousand, four hundred fifty-seven".