135120401015 has 8 divisors (see below), whose sum is σ = 162167274720. Its totient is φ = 108081125152.

The previous prime is 135120400979. The next prime is 135120401089. The reversal of 135120401015 is 510104021531.

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 135120401015 - 2¹² = 135120396919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860260 + ... + 1931529.

It is an arithmetic number, because the mean of its divisors is an integer number (20270909340).

Almost surely, 2^135120401015 is an apocalyptic number.

135120401015 is a deficient number, since it is larger than the sum of its proper divisors (27046873705).

135120401015 is an equidigital number, since it uses as much as digits as its factorization.

135120401015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798921.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 135120401015 its reverse (510104021531), we get a palindrome (645224422546).

The spelling of 135120401015 in words is "one hundred thirty-five billion, one hundred twenty million, four hundred one thousand, fifteen".