135420867 has 6 divisors (see below), whose sum is σ = 195607932. Its totient is φ = 90280572.

The previous prime is 135420863. The next prime is 135420881. The reversal of 135420867 is 768024531.

It is not a de Polignac number, because 135420867 - 2² = 135420863 is a prime.

It is a super-2 number, since 2×135420867² = 36677622438063378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135420863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7523373 + ... + 7523390.

It is an arithmetic number, because the mean of its divisors is an integer number (32601322).

Almost surely, 2^135420867 is an apocalyptic number.

135420867 is a deficient number, since it is larger than the sum of its proper divisors (60187065).

135420867 is a wasteful number, since it uses less digits than its factorization.

135420867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15046769 (or 15046766 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 135420867 is about 11637.0471770119. The cubic root of 135420867 is about 513.5253216858.

The spelling of 135420867 in words is "one hundred thirty-five million, four hundred twenty thousand, eight hundred sixty-seven".