135251622256025 has 96 divisors (see below), whose sum is σ = 189286962359040. Its totient is φ = 95010679296000.

The previous prime is 135251622256001. The next prime is 135251622256061. The reversal of 135251622256025 is 520652226152531.

It is a happy number.

It is not a de Polignac number, because 135251622256025 - 2²⁶ = 135251555147161 is a prime.

It is a super-2 number, since 2×135251622256025² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5728804421 + ... + 5728828029.

It is an arithmetic number, because the mean of its divisors is an integer number (1971739191240).

Almost surely, 2^{135251622256025} is an apocalyptic number.

It is an amenable number.

135251622256025 is a deficient number, since it is larger than the sum of its proper divisors (54035340103015).

135251622256025 is a wasteful number, since it uses less digits than its factorization.

135251622256025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28707 (or 28702 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 135251622256025 in words is "one hundred thirty-five trillion, two hundred fifty-one billion, six hundred twenty-two million, two hundred fifty-six thousand, twenty-five".