135492474 has 32 divisors (see below), whose sum is σ = 293952960. Its totient is φ = 41386752.

The previous prime is 135492473. The next prime is 135492481. The reversal of 135492474 is 474294531.

135492474 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (135492473) 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, 4594 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (9186030).

Almost surely, 2^135492474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135492474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146976480).

135492474 is an abundant number, since it is smaller than the sum of its proper divisors (158460486).

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

135492474 is a wasteful number, since it uses less digits than its factorization.

135492474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654.

The product of its digits is 120960, while the sum is 39.

The square root of 135492474 is about 11640.1234529536. The cubic root of 135492474 is about 513.6158186406.

The spelling of 135492474 in words is "one hundred thirty-five million, four hundred ninety-two thousand, four hundred seventy-four".