135451225 has 24 divisors (see below), whose sum is σ = 206722880. Its totient is φ = 85734720.

The previous prime is 135451219. The next prime is 135451229. The reversal of 135451225 is 522154531.

It is not a de Polignac number, because 135451225 - 2²⁷ = 1233497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135451193 and 135451202.

It is not an unprimeable number, because it can be changed into a prime (135451229) 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 23 ways as a sum of consecutive naturals, for example, 27495 + ... + 32044.

Almost surely, 2^135451225 is an apocalyptic number.

It is an amenable number.

135451225 is a deficient number, since it is larger than the sum of its proper divisors (71271655).

135451225 is a wasteful number, since it uses less digits than its factorization.

135451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59569 (or 59564 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 135451225 is about 11638.3514726099. The cubic root of 135451225 is about 513.5636920327.

The spelling of 135451225 in words is "one hundred thirty-five million, four hundred fifty-one thousand, two hundred twenty-five".