136502051 has 4 divisors (see below), whose sum is σ = 156002352. Its totient is φ = 117001752.

The previous prime is 136502011. The next prime is 136502071. The reversal of 136502051 is 150205631.

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

It is not a de Polignac number, because 136502051 - 2¹⁴ = 136485667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136502011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9750140 + ... + 9750153.

It is an arithmetic number, because the mean of its divisors is an integer number (39000588).

Almost surely, 2^136502051 is an apocalyptic number.

136502051 is a deficient number, since it is larger than the sum of its proper divisors (19500301).

136502051 is an equidigital number, since it uses as much as digits as its factorization.

136502051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500300.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 136502051 is about 11683.4092199152. The cubic root of 136502051 is about 514.8883422744. Note that the first 3 decimals are identical.

Adding to 136502051 its reverse (150205631), we get a palindrome (286707682).

The spelling of 136502051 in words is "one hundred thirty-six million, five hundred two thousand, fifty-one".