135803833631 has 2 divisors, whose sum is σ = 135803833632. Its totient is φ = 135803833630.

The previous prime is 135803833567. The next prime is 135803833639. The reversal of 135803833631 is 136338308531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135803833631 - 2⁶ = 135803833567 is a prime.

It is a super-2 number, since 2×135803833631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135803833639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67901916815 + 67901916816.

It is an arithmetic number, because the mean of its divisors is an integer number (67901916816).

Almost surely, 2^135803833631 is an apocalyptic number.

135803833631 is a deficient number, since it is larger than the sum of its proper divisors (1).

135803833631 is an equidigital number, since it uses as much as digits as its factorization.

135803833631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 135803833631 in words is "one hundred thirty-five billion, eight hundred three million, eight hundred thirty-three thousand, six hundred thirty-one".