135456003 has 16 divisors (see below), whose sum is σ = 201196960. Its totient is φ = 90069408.

The previous prime is 135455987. The next prime is 135456011. The reversal of 135456003 is 300654531.

135456003 is a `hidden beast` number, since 1 + 3 + 54 + 5 + 600 + 3 = 666.

It is not a de Polignac number, because 135456003 - 2⁴ = 135455987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135456023) 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, 4401 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (12574810).

Almost surely, 2^135456003 is an apocalyptic number.

135456003 is a deficient number, since it is larger than the sum of its proper divisors (65740957).

135456003 is a wasteful number, since it uses less digits than its factorization.

135456003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043 (or 13037 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 135456003 is about 11638.5567404210. The cubic root of 135456003 is about 513.5697305617.

The spelling of 135456003 in words is "one hundred thirty-five million, four hundred fifty-six thousand, three".