135132404 has 24 divisors (see below), whose sum is σ = 262852128. Its totient is φ = 60263840.

The previous prime is 135132397. The next prime is 135132409. The reversal of 135132404 is 404231531.

135132404 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 super-2 number, since 2×135132404² = 36521533221638432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135132404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135132409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26642 + ... + 31305.

It is an arithmetic number, because the mean of its divisors is an integer number (10952172).

Almost surely, 2^135132404 is an apocalyptic number.

It is an amenable number.

135132404 is a deficient number, since it is larger than the sum of its proper divisors (127719724).

135132404 is a wasteful number, since it uses less digits than its factorization.

135132404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58015 (or 58013 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 135132404 is about 11624.6464032245. The cubic root of 135132404 is about 513.1604385790.

Adding to 135132404 its reverse (404231531), we get a palindrome (539363935).

The spelling of 135132404 in words is "one hundred thirty-five million, one hundred thirty-two thousand, four hundred four".