135332731 has 2 divisors, whose sum is σ = 135332732. Its totient is φ = 135332730.

The previous prime is 135332719. The next prime is 135332741. The reversal of 135332731 is 137233531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135332731 - 2²³ = 126944123 is a prime.

It is a super-2 number, since 2×135332731² = 36629896159836722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135332731.

It is not a weakly prime, because it can be changed into another prime (135332741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67666365 + 67666366.

It is an arithmetic number, because the mean of its divisors is an integer number (67666366).

Almost surely, 2^135332731 is an apocalyptic number.

135332731 is a deficient number, since it is larger than the sum of its proper divisors (1).

135332731 is an equidigital number, since it uses as much as digits as its factorization.

135332731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 28.

The square root of 135332731 is about 11633.2596893562. The cubic root of 135332731 is about 513.4138915663.

The spelling of 135332731 in words is "one hundred thirty-five million, three hundred thirty-two thousand, seven hundred thirty-one".