135078625 has 32 divisors (see below), whose sum is σ = 189895680. Its totient is φ = 95040000.

The previous prime is 135078623. The next prime is 135078631. The reversal of 135078625 is 526870531.

It is not a de Polignac number, because 135078625 - 2¹ = 135078623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135078623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41041 + ... + 44209.

It is an arithmetic number, because the mean of its divisors is an integer number (5934240).

Almost surely, 2^135078625 is an apocalyptic number.

It is an amenable number.

135078625 is a deficient number, since it is larger than the sum of its proper divisors (54817055).

135078625 is a wasteful number, since it uses less digits than its factorization.

135078625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3216 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 135078625 is about 11622.3330274089. Note that the first 3 decimals coincide. The cubic root of 135078625 is about 513.0923549410.

The spelling of 135078625 in words is "one hundred thirty-five million, seventy-eight thousand, six hundred twenty-five".