136440614 has 4 divisors (see below), whose sum is σ = 204660924. Its totient is φ = 68220306.

The previous prime is 136440587. The next prime is 136440637. The reversal of 136440614 is 416044631.

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

It is a super-2 number, since 2×136440614² = 37232082297393992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34110152 + ... + 34110155.

It is an arithmetic number, because the mean of its divisors is an integer number (51165231).

Almost surely, 2^136440614 is an apocalyptic number.

136440614 is a deficient number, since it is larger than the sum of its proper divisors (68220310).

136440614 is an equidigital number, since it uses as much as digits as its factorization.

136440614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68220309.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 136440614 is about 11680.7796828808. The cubic root of 136440614 is about 514.8110835034.

The spelling of 136440614 in words is "one hundred thirty-six million, four hundred forty thousand, six hundred fourteen".