135137474 has 8 divisors (see below), whose sum is σ = 203259648. Its totient is φ = 67384260.

The previous prime is 135137473. The next prime is 135137507. The reversal of 135137474 is 474731531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (135137473) 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, 91322 + ... + 92789.

It is an arithmetic number, because the mean of its divisors is an integer number (25407456).

Almost surely, 2^135137474 is an apocalyptic number.

135137474 is a deficient number, since it is larger than the sum of its proper divisors (68122174).

135137474 is a wasteful number, since it uses less digits than its factorization.

135137474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184480.

The product of its digits is 35280, while the sum is 35.

The square root of 135137474 is about 11624.8644723283. The cubic root of 135137474 is about 513.1668562129.

The spelling of 135137474 in words is "one hundred thirty-five million, one hundred thirty-seven thousand, four hundred seventy-four".