135369658 has 4 divisors (see below), whose sum is σ = 203054490. Its totient is φ = 67684828.

The previous prime is 135369631. The next prime is 135369671. The reversal of 135369658 is 856963531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 856963531 = 907 ⋅944833.

It can be written as a sum of positive squares in only one way, i.e., 114639849 + 20729809 = 10707^2 + 4553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33842413 + ... + 33842416.

Almost surely, 2^135369658 is an apocalyptic number.

135369658 is a deficient number, since it is larger than the sum of its proper divisors (67684832).

135369658 is an equidigital number, since it uses as much as digits as its factorization.

135369658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67684831.

The product of its digits is 583200, while the sum is 46.

The square root of 135369658 is about 11634.8467114956. The cubic root of 135369658 is about 513.4605841649.

The spelling of 135369658 in words is "one hundred thirty-five million, three hundred sixty-nine thousand, six hundred fifty-eight".