135422507 has 4 divisors (see below), whose sum is σ = 147733656. Its totient is φ = 123111360.

The previous prime is 135422491. The next prime is 135422509. The reversal of 135422507 is 705224531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705224531 = 11 ⋅64111321.

It is a cyclic number.

It is not a de Polignac number, because 135422507 - 2⁴ = 135422491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135422507.

It is not an unprimeable number, because it can be changed into a prime (135422509) 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, 6155558 + ... + 6155579.

It is an arithmetic number, because the mean of its divisors is an integer number (36933414).

Almost surely, 2^135422507 is an apocalyptic number.

135422507 is a deficient number, since it is larger than the sum of its proper divisors (12311149).

135422507 is a wasteful number, since it uses less digits than its factorization.

135422507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311148.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 135422507 is about 11637.1176414093. The cubic root of 135422507 is about 513.5273946753.

The spelling of 135422507 in words is "one hundred thirty-five million, four hundred twenty-two thousand, five hundred seven".