135404823040659 has 24 divisors (see below), whose sum is σ = 207630433700352. Its totient is φ = 84738061543680.

The previous prime is 135404823040631. The next prime is 135404823040667. The reversal of 135404823040659 is 956040328404531.

It is a happy number.

135404823040659 is a `hidden beast` number, since 1 + 3 + 5 + 40 + 482 + 30 + 40 + 6 + 59 = 666.

It is not a de Polignac number, because 135404823040659 - 2³⁹ = 134855067226771 is a prime.

It is a super-2 number, since 2×135404823040659² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135404823440659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155292372 + ... + 1155409569.

It is an arithmetic number, because the mean of its divisors is an integer number (8651268070848).

Almost surely, 2^{135404823040659} is an apocalyptic number.

135404823040659 is a deficient number, since it is larger than the sum of its proper divisors (72225610659693).

135404823040659 is a wasteful number, since it uses less digits than its factorization.

135404823040659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310702347 (or 2310702344 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 135404823040659 in words is "one hundred thirty-five trillion, four hundred four billion, eight hundred twenty-three million, forty thousand, six hundred fifty-nine".