137700307 has 4 divisors (see below), whose sum is σ = 140298480. Its totient is φ = 135102136.

The previous prime is 137700253. The next prime is 137700317. The reversal of 137700307 is 703007731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703007731 = 43 ⋅16349017.

It is a cyclic number.

It is not a de Polignac number, because 137700307 - 2⁷ = 137700179 is a prime.

It is a super-2 number, since 2×137700307² = 37922749095788498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137700317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299007 + ... + 1299112.

It is an arithmetic number, because the mean of its divisors is an integer number (35074620).

Almost surely, 2^137700307 is an apocalyptic number.

137700307 is a deficient number, since it is larger than the sum of its proper divisors (2598173).

137700307 is an equidigital number, since it uses as much as digits as its factorization.

137700307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598172.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 137700307 is about 11734.5774103715. The cubic root of 137700307 is about 516.3905699789.

The spelling of 137700307 in words is "one hundred thirty-seven million, seven hundred thousand, three hundred seven".