137000025 has 48 divisors (see below), whose sum is σ = 266500800. Its totient is φ = 68762880.

The previous prime is 137000009. The next prime is 137000027. The reversal of 137000025 is 520000731.

It is not a de Polignac number, because 137000025 - 2⁴ = 137000009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136999971 and 137000007.

It is not an unprimeable number, because it can be changed into a prime (137000027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5506 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (5552100).

Almost surely, 2^137000025 is an apocalyptic number.

137000025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137000025 is a deficient number, since it is larger than the sum of its proper divisors (129500775).

137000025 is a wasteful number, since it uses less digits than its factorization.

137000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11975 (or 11964 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 137000025 is about 11704.7009786666. The cubic root of 137000025 is about 515.5137049049.

Adding to 137000025 its reverse (520000731), we get a palindrome (657000756).

The spelling of 137000025 in words is "one hundred thirty-seven million, twenty-five", and thus it is an aban number.