135155451 has 16 divisors (see below), whose sum is σ = 182464128. Its totient is φ = 88982400.

The previous prime is 135155441. The next prime is 135155477. The reversal of 135155451 is 154551531.

It is not a de Polignac number, because 135155451 - 2⁷ = 135155323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135155401) 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, 94000 + ... + 95426.

It is an arithmetic number, because the mean of its divisors is an integer number (11404008).

Almost surely, 2^135155451 is an apocalyptic number.

135155451 is a deficient number, since it is larger than the sum of its proper divisors (47308677).

135155451 is a wasteful number, since it uses less digits than its factorization.

135155451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802.

The product of its digits is 7500, while the sum is 30.

The square root of 135155451 is about 11625.6376599307. The cubic root of 135155451 is about 513.1896103048.

The spelling of 135155451 in words is "one hundred thirty-five million, one hundred fifty-five thousand, four hundred fifty-one".