136852634 has 4 divisors (see below), whose sum is σ = 205278954. Its totient is φ = 68426316.

The previous prime is 136852621. The next prime is 136852637. The reversal of 136852634 is 436258631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436258631 = 431 ⋅1012201.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 7006609 = 11395^2 + 2647^2 .

It is a super-3 number, since 3×136852634³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136852637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34213157 + ... + 34213160.

Almost surely, 2^136852634 is an apocalyptic number.

136852634 is a deficient number, since it is larger than the sum of its proper divisors (68426320).

136852634 is an equidigital number, since it uses as much as digits as its factorization.

136852634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68426319.

The product of its digits is 103680, while the sum is 38.

The square root of 136852634 is about 11698.4030534086. The cubic root of 136852634 is about 515.3287673592.

The spelling of 136852634 in words is "one hundred thirty-six million, eight hundred fifty-two thousand, six hundred thirty-four".