136707031 has 4 divisors (see below), whose sum is σ = 136744200. Its totient is φ = 136669864.

The previous prime is 136707029. The next prime is 136707041. The reversal of 136707031 is 130707631.

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 136707031 - 2¹ = 136707029 is a prime.

It is a super-2 number, since 2×136707031² = 37377624649669922, 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 (136707041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12376 + ... + 20653.

It is an arithmetic number, because the mean of its divisors is an integer number (34186050).

Almost surely, 2^136707031 is an apocalyptic number.

136707031 is a deficient number, since it is larger than the sum of its proper divisors (37169).

136707031 is an equidigital number, since it uses as much as digits as its factorization.

136707031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37168.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 136707031 is about 11692.1781974104. The cubic root of 136707031 is about 515.1459428654.

The spelling of 136707031 in words is "one hundred thirty-six million, seven hundred seven thousand, thirty-one".