135941961694 has 32 divisors (see below), whose sum is σ = 269183782656. Its totient is φ = 49848846720.

The previous prime is 135941961637. The next prime is 135941961721. The reversal of 135941961694 is 496169149531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25960324 + ... + 25965559.

It is an arithmetic number, because the mean of its divisors is an integer number (8411993208).

Almost surely, 2^135941961694 is an apocalyptic number.

135941961694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135941961694 is a deficient number, since it is larger than the sum of its proper divisors (133241820962).

135941961694 is a wasteful number, since it uses less digits than its factorization.

135941961694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51925920.

The product of its digits is 6298560, while the sum is 58.

The spelling of 135941961694 in words is "one hundred thirty-five billion, nine hundred forty-one million, nine hundred sixty-one thousand, six hundred ninety-four".