135650797 has 4 divisors (see below), whose sum is σ = 138210300. Its totient is φ = 133091296.

The previous prime is 135650791. The next prime is 135650807. The reversal of 135650797 is 797056531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105904681 + 29746116 = 10291^2 + 5454^2 .

It is a cyclic number.

It is not a de Polignac number, because 135650797 - 2²³ = 127262189 is a prime.

It is a super-2 number, since 2×135650797² = 36802277453470418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135650791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279672 + ... + 1279777.

It is an arithmetic number, because the mean of its divisors is an integer number (34552575).

Almost surely, 2^135650797 is an apocalyptic number.

It is an amenable number.

135650797 is a deficient number, since it is larger than the sum of its proper divisors (2559503).

135650797 is an equidigital number, since it uses as much as digits as its factorization.

135650797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559502.

The product of its (nonzero) digits is 198450, while the sum is 43.

The square root of 135650797 is about 11646.9222114686. The cubic root of 135650797 is about 513.8157941875.

The spelling of 135650797 in words is "one hundred thirty-five million, six hundred fifty thousand, seven hundred ninety-seven".