135204056 has 24 divisors (see below), whose sum is σ = 274510980. Its totient is φ = 62401248.

The previous prime is 135204037. The next prime is 135204059. The reversal of 135204056 is 650402531.

It is a super-2 number, since 2×135204056² = 36560273517702272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

135204056 is a modest number, since divided by 4056 gives 1352 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135204059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48650 + ... + 51353.

Almost surely, 2^135204056 is an apocalyptic number.

It is an amenable number.

135204056 is an abundant number, since it is smaller than the sum of its proper divisors (139306924).

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

135204056 is a wasteful number, since it uses less digits than its factorization.

135204056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100035 (or 100018 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 135204056 is about 11627.7278949931. The cubic root of 135204056 is about 513.2511211832.

Adding to 135204056 its reverse (650402531), we get a palindrome (785606587).

It can be divided in two parts, 13520 and 4056, that added together give a cube (17576 = 26³).

The spelling of 135204056 in words is "one hundred thirty-five million, two hundred four thousand, fifty-six".