135995478 has 16 divisors (see below), whose sum is σ = 287990640. Its totient is φ = 42665216.

The previous prime is 135995477. The next prime is 135995479. The reversal of 135995478 is 874599531.

It is an interprime number because it is at equal distance from previous prime (135995477) and next prime (135995479).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 135995478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135995477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666543 + ... + 666746.

It is an arithmetic number, because the mean of its divisors is an integer number (17999415).

Almost surely, 2^135995478 is an apocalyptic number.

135995478 is an abundant number, since it is smaller than the sum of its proper divisors (151995162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135995478 is a wasteful number, since it uses less digits than its factorization.

135995478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333311.

The product of its digits is 1360800, while the sum is 51.

The square root of 135995478 is about 11661.7099089285. The cubic root of 135995478 is about 514.2506183943.

The spelling of 135995478 in words is "one hundred thirty-five million, nine hundred ninety-five thousand, four hundred seventy-eight".