135858015655 has 8 divisors (see below), whose sum is σ = 163032989472. Its totient is φ = 108684165408.

The previous prime is 135858015653. The next prime is 135858015679. The reversal of 135858015655 is 556510858531.

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 135858015655 - 2¹ = 135858015653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135858015653) 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, 13102 + ... + 521428.

It is an arithmetic number, because the mean of its divisors is an integer number (20379123684).

Almost surely, 2^135858015655 is an apocalyptic number.

135858015655 is a deficient number, since it is larger than the sum of its proper divisors (27174973817).

135858015655 is an equidigital number, since it uses as much as digits as its factorization.

135858015655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561785.

The product of its (nonzero) digits is 3600000, while the sum is 52.

The spelling of 135858015655 in words is "one hundred thirty-five billion, eight hundred fifty-eight million, fifteen thousand, six hundred fifty-five".