136965031 has 4 divisors (see below), whose sum is σ = 156531472. Its totient is φ = 117398592.

The previous prime is 136965011. The next prime is 136965041. The reversal of 136965031 is 130569631.

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

It is a cyclic number.

It is not a de Polignac number, because 136965031 - 2⁹ = 136964519 is a prime.

It is a super-2 number, since 2×136965031² = 37518839433661922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136965011) 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, 9783210 + ... + 9783223.

It is an arithmetic number, because the mean of its divisors is an integer number (39132868).

Almost surely, 2^136965031 is an apocalyptic number.

136965031 is a deficient number, since it is larger than the sum of its proper divisors (19566441).

136965031 is an equidigital number, since it uses as much as digits as its factorization.

136965031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19566440.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 136965031 is about 11703.2060137383. The cubic root of 136965031 is about 515.4698085071.

The spelling of 136965031 in words is "one hundred thirty-six million, nine hundred sixty-five thousand, thirty-one".