136349255025 has 81 divisors (see below), whose sum is σ = 247646882379. Its totient is φ = 71712275040.

The previous prime is 136349254973. The next prime is 136349255071. The reversal of 136349255025 is 520552943631.

The square root of 136349255025 is 369255.

It is a perfect power (a square), and thus also a powerful number.

136349255025 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 4 + 92 + 550 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49085731809 + 87263523216 = 221553^2 + 295404^2 .

It is not a de Polignac number, because 136349255025 - 2⁷ = 136349254897 is a prime.

It is a super-2 number, since 2×136349255025² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 570498856 + ... + 570499094.

Almost surely, 2^136349255025 is an apocalyptic number.

136349255025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136349255025 is the 369255-th square number.

136349255025 is the 184628-th centered octagonal number.

It is an amenable number.

136349255025 is a deficient number, since it is larger than the sum of its proper divisors (111297627354).

136349255025 is an equidigital number, since it uses as much as digits as its factorization.

136349255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 136349255025 in words is "one hundred thirty-six billion, three hundred forty-nine million, two hundred fifty-five thousand, twenty-five".