136823025 has 12 divisors (see below), whose sum is σ = 226214192. Its totient is φ = 72972240.

The previous prime is 136822991. The next prime is 136823083. The reversal of 136823025 is 520328631.

It is not a de Polignac number, because 136823025 - 2⁷ = 136822897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136822983 and 136823001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912079 + ... + 912228.

Almost surely, 2^136823025 is an apocalyptic number.

136823025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136823025 is a deficient number, since it is larger than the sum of its proper divisors (89391167).

136823025 is a wasteful number, since it uses less digits than its factorization.

136823025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824320 (or 1824315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 136823025 is about 11697.1374703386. The cubic root of 136823025 is about 515.2915997150.

The spelling of 136823025 in words is "one hundred thirty-six million, eight hundred twenty-three thousand, twenty-five".