136200987 has 48 divisors (see below), whose sum is σ = 230140800. Its totient is φ = 79354080.

The previous prime is 136200941. The next prime is 136201001. The reversal of 136200987 is 789002631.

It is not a de Polignac number, because 136200987 - 2⁷ = 136200859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136200287) 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, 85912 + ... + 87482.

It is an arithmetic number, because the mean of its divisors is an integer number (4794600).

Almost surely, 2^136200987 is an apocalyptic number.

136200987 is a deficient number, since it is larger than the sum of its proper divisors (93939813).

136200987 is a wasteful number, since it uses less digits than its factorization.

136200987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 136200987 is about 11670.5178548340. The cubic root of 136200987 is about 514.5095239166.

The spelling of 136200987 in words is "one hundred thirty-six million, two hundred thousand, nine hundred eighty-seven".