135445200625 has 40 divisors (see below), whose sum is σ = 196602617024. Its totient is φ = 91353960000.

The previous prime is 135445200617. The next prime is 135445200629. The reversal of 135445200625 is 526002544531.

It is not a de Polignac number, because 135445200625 - 2³ = 135445200617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135445200629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13114 + ... + 520636.

Almost surely, 2^135445200625 is an apocalyptic number.

It is an amenable number.

135445200625 is a deficient number, since it is larger than the sum of its proper divisors (61157416399).

135445200625 is an frugal number, since it uses more digits than its factorization.

135445200625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507611 (or 507596 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 135445200625 in words is "one hundred thirty-five billion, four hundred forty-five million, two hundred thousand, six hundred twenty-five".