135602155140523 has 8 divisors (see below), whose sum is σ = 135616217103360. Its totient is φ = 135588093938280.

The previous prime is 135602155140449. The next prime is 135602155140619. The reversal of 135602155140523 is 325041551206531.

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

It is a cyclic number.

It is not a de Polignac number, because 135602155140523 - 2¹³ = 135602155132331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135602155140523.

It is not an unprimeable number, because it can be changed into a prime (135602155140323) 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, 398510886 + ... + 398851012.

It is an arithmetic number, because the mean of its divisors is an integer number (16952027137920).

Almost surely, 2^{135602155140523} is an apocalyptic number.

135602155140523 is a deficient number, since it is larger than the sum of its proper divisors (14061962837).

135602155140523 is a wasteful number, since it uses less digits than its factorization.

135602155140523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380297.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 135602155140523 in words is "one hundred thirty-five trillion, six hundred two billion, one hundred fifty-five million, one hundred forty thousand, five hundred twenty-three".