136758825 has 72 divisors (see below), whose sum is σ = 289076736. Its totient is φ = 60480000.

The previous prime is 136758823. The next prime is 136758841. The reversal of 136758825 is 528857631.

136758825 is a `hidden beast` number, since 1 + 3 + 67 + 588 + 2 + 5 = 666.

It is not a de Polignac number, because 136758825 - 2¹ = 136758823 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (136758823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47425 + ... + 50225.

Almost surely, 2^136758825 is an apocalyptic number.

136758825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136758825 is an abundant number, since it is smaller than the sum of its proper divisors (152317911).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136758825 is a wasteful number, since it uses less digits than its factorization.

136758825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2847 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 136758825 is about 11694.3928871917. The cubic root of 136758825 is about 515.2109921900.

It can be divided in two parts, 13675 and 8825, that added together give a square (22500 = 150²).

The spelling of 136758825 in words is "one hundred thirty-six million, seven hundred fifty-eight thousand, eight hundred twenty-five".