136552651 has 4 divisors (see below), whose sum is σ = 137828952. Its totient is φ = 135276352.

The previous prime is 136552621. The next prime is 136552657. The reversal of 136552651 is 156255631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136552651 - 2¹⁹ = 136028363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136552657) 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 3 ways as a sum of consecutive naturals, for example, 637990 + ... + 638203.

It is an arithmetic number, because the mean of its divisors is an integer number (34457238).

Almost surely, 2^136552651 is an apocalyptic number.

136552651 is a deficient number, since it is larger than the sum of its proper divisors (1276301).

136552651 is a wasteful number, since it uses less digits than its factorization.

136552651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276300.

The product of its digits is 27000, while the sum is 34.

The square root of 136552651 is about 11685.5744830967. The cubic root of 136552651 is about 514.9519558034.

The spelling of 136552651 in words is "one hundred thirty-six million, five hundred fifty-two thousand, six hundred fifty-one".