135136922 has 4 divisors (see below), whose sum is σ = 202705386. Its totient is φ = 67568460.

The previous prime is 135136921. The next prime is 135136973. The reversal of 135136922 is 229631531.

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

It can be written as a sum of positive squares in only one way, i.e., 124567921 + 10569001 = 11161^2 + 3251^2 .

It is not an unprimeable number, because it can be changed into a prime (135136921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33784229 + ... + 33784232.

Almost surely, 2^135136922 is an apocalyptic number.

135136922 is a deficient number, since it is larger than the sum of its proper divisors (67568464).

135136922 is an equidigital number, since it uses as much as digits as its factorization.

135136922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67568463.

The product of its digits is 9720, while the sum is 32.

The square root of 135136922 is about 11624.8407300917. The cubic root of 135136922 is about 513.1661574960.

The spelling of 135136922 in words is "one hundred thirty-five million, one hundred thirty-six thousand, nine hundred twenty-two".