135747974 has 8 divisors (see below), whose sum is σ = 203678280. Its totient is φ = 67855216.

The previous prime is 135747973. The next prime is 135747979. The reversal of 135747974 is 479747531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135747971) 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, 2837 + ... + 16719.

It is an arithmetic number, because the mean of its divisors is an integer number (25459785).

Almost surely, 2^135747974 is an apocalyptic number.

135747974 is a deficient number, since it is larger than the sum of its proper divisors (67930306).

135747974 is a wasteful number, since it uses less digits than its factorization.

135747974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18774.

The product of its digits is 740880, while the sum is 47.

The square root of 135747974 is about 11651.0932534248. The cubic root of 135747974 is about 513.9384600327.

The spelling of 135747974 in words is "one hundred thirty-five million, seven hundred forty-seven thousand, nine hundred seventy-four".