135941961751 has 8 divisors (see below), whose sum is σ = 136401194160. Its totient is φ = 135482836608.

The previous prime is 135941961739. The next prime is 135941961823. The reversal of 135941961751 is 157169149531.

It is a happy number.

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 135941961751 - 2²³ = 135933573143 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 (135941961721) 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, 3137205 + ... + 3180241.

It is an arithmetic number, because the mean of its divisors is an integer number (17050149270).

Almost surely, 2^135941961751 is an apocalyptic number.

135941961751 is a deficient number, since it is larger than the sum of its proper divisors (459232409).

135941961751 is a wasteful number, since it uses less digits than its factorization.

135941961751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53633.

The product of its digits is 1020600, while the sum is 52.

The spelling of 135941961751 in words is "one hundred thirty-five billion, nine hundred forty-one million, nine hundred sixty-one thousand, seven hundred fifty-one".