135473828 has 18 divisors (see below), whose sum is σ = 275786406. Its totient is φ = 58060128.

The previous prime is 135473803. The next prime is 135473831. The reversal of 135473828 is 828374531.

It can be written as a sum of positive squares in only one way, i.e., 121396324 + 14077504 = 11018^2 + 3752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345401 + ... + 345792.

It is an arithmetic number, because the mean of its divisors is an integer number (15321467).

Almost surely, 2^135473828 is an apocalyptic number.

It is an amenable number.

135473828 is an abundant number, since it is smaller than the sum of its proper divisors (140312578).

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

135473828 is a wasteful number, since it uses less digits than its factorization.

135473828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691211 (or 691202 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 135473828 is about 11639.3224888737. The cubic root of 135473828 is about 513.5922568894.

The spelling of 135473828 in words is "one hundred thirty-five million, four hundred seventy-three thousand, eight hundred twenty-eight".