136508698 has 4 divisors (see below), whose sum is σ = 204763050. Its totient is φ = 68254348.

The previous prime is 136508693. The next prime is 136508737. The reversal of 136508698 is 896805631.

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

It can be written as a sum of positive squares in only one way, i.e., 119968209 + 16540489 = 10953^2 + 4067^2 .

It is not an unprimeable number, because it can be changed into a prime (136508693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34127173 + ... + 34127176.

Almost surely, 2^136508698 is an apocalyptic number.

136508698 is a deficient number, since it is larger than the sum of its proper divisors (68254352).

136508698 is an equidigital number, since it uses as much as digits as its factorization.

136508698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68254351.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 136508698 is about 11683.6936796546. The cubic root of 136508698 is about 514.8966996757.

The spelling of 136508698 in words is "one hundred thirty-six million, five hundred eight thousand, six hundred ninety-eight".