136401825 has 24 divisors (see below), whose sum is σ = 257735488. Its totient is φ = 62354880.

The previous prime is 136401791. The next prime is 136401833. The reversal of 136401825 is 528104631.

It is not a de Polignac number, because 136401825 - 2⁷ = 136401697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136401792 and 136401801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129382 + ... + 130431.

Almost surely, 2^136401825 is an apocalyptic number.

136401825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136401825 is a deficient number, since it is larger than the sum of its proper divisors (121333663).

136401825 is a wasteful number, since it uses less digits than its factorization.

136401825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259833 (or 259828 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 136401825 is about 11679.1191876785. The cubic root of 136401825 is about 514.7622932906.

The spelling of 136401825 in words is "one hundred thirty-six million, four hundred one thousand, eight hundred twenty-five".