135539777633 has 16 divisors (see below), whose sum is σ = 154031606400. Its totient is φ = 118233043200.

The previous prime is 135539777617. The next prime is 135539777641. The reversal of 135539777633 is 336777935531.

It is a cyclic number.

It is not a de Polignac number, because 135539777633 - 2⁴ = 135539777617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135539777693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585173 + ... + 783266.

It is an arithmetic number, because the mean of its divisors is an integer number (9626975400).

Almost surely, 2^135539777633 is an apocalyptic number.

135539777633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135539777633 is a deficient number, since it is larger than the sum of its proper divisors (18491828767).

135539777633 is a wasteful number, since it uses less digits than its factorization.

135539777633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368872.

The product of its digits is 37507050, while the sum is 59.

The spelling of 135539777633 in words is "one hundred thirty-five billion, five hundred thirty-nine million, seven hundred seventy-seven thousand, six hundred thirty-three".