136465637 has 20 divisors (see below), whose sum is σ = 173706816. Its totient is φ = 106316280.

The previous prime is 136465633. The next prime is 136465639. The reversal of 136465637 is 736564631.

It is not a de Polignac number, because 136465637 - 2² = 136465633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136465594 and 136465603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136465633) 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 19 ways as a sum of consecutive naturals, for example, 23828 + ... + 28994.

Almost surely, 2^136465637 is an apocalyptic number.

It is an amenable number.

136465637 is a deficient number, since it is larger than the sum of its proper divisors (37241179).

136465637 is an frugal number, since it uses more digits than its factorization.

136465637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206 (or 5185 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 136465637 is about 11681.8507523423. The cubic root of 136465637 is about 514.8425534348.

The spelling of 136465637 in words is "one hundred thirty-six million, four hundred sixty-five thousand, six hundred thirty-seven".