135796957 has 4 divisors (see below), whose sum is σ = 140177536. Its totient is φ = 131416380.

The previous prime is 135796949. The next prime is 135796963. The reversal of 135796957 is 759697531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759697531 = 113 ⋅6722987.

It is a cyclic number.

It is not a de Polignac number, because 135796957 - 2³ = 135796949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135796657) 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 in 3 ways as a sum of consecutive naturals, for example, 2190243 + ... + 2190304.

It is an arithmetic number, because the mean of its divisors is an integer number (35044384).

Almost surely, 2^135796957 is an apocalyptic number.

It is an amenable number.

135796957 is a deficient number, since it is larger than the sum of its proper divisors (4380579).

135796957 is an equidigital number, since it uses as much as digits as its factorization.

135796957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380578.

The product of its digits is 1786050, while the sum is 52.

The square root of 135796957 is about 11653.1951412477. The cubic root of 135796957 is about 514.0002687397. Note that the first 3 decimals are identical.

The spelling of 135796957 in words is "one hundred thirty-five million, seven hundred ninety-six thousand, nine hundred fifty-seven".