135620474 has 32 divisors (see below), whose sum is σ = 234012672. Its totient is φ = 58374000.

The previous prime is 135620473. The next prime is 135620483. The reversal of 135620474 is 474026531.

135620474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135620474.

It is not an unprimeable number, because it can be changed into a prime (135620473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29939 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (7312896).

Almost surely, 2^135620474 is an apocalyptic number.

135620474 is a deficient number, since it is larger than the sum of its proper divisors (98392198).

135620474 is a wasteful number, since it uses less digits than its factorization.

135620474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 135620474 is about 11645.6203784942. The cubic root of 135620474 is about 513.7775056855. Note that the first 3 decimals are identical.

The spelling of 135620474 in words is "one hundred thirty-five million, six hundred twenty thousand, four hundred seventy-four".