135877974 has 48 divisors (see below), whose sum is σ = 301321728. Its totient is φ = 40763008.

The previous prime is 135877939. The next prime is 135877981. The reversal of 135877974 is 479778531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38179 + ... + 41585.

It is an arithmetic number, because the mean of its divisors is an integer number (6277536).

Almost surely, 2^135877974 is an apocalyptic number.

135877974 is an abundant number, since it is smaller than the sum of its proper divisors (165443754).

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

135877974 is a wasteful number, since it uses less digits than its factorization.

135877974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3452 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 135877974 is about 11656.6707940132. The cubic root of 135877974 is about 514.1024666142.

The spelling of 135877974 in words is "one hundred thirty-five million, eight hundred seventy-seven thousand, nine hundred seventy-four".