137173007 has 4 divisors (see below), whose sum is σ = 137264136. Its totient is φ = 137081880.

The previous prime is 137172991. The next prime is 137173009. The reversal of 137173007 is 700371731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700371731 = 739 ⋅947729.

It is a cyclic number.

It is not a de Polignac number, because 137173007 - 2⁴ = 137172991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137173009) 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 3 ways as a sum of consecutive naturals, for example, 43268 + ... + 46329.

It is an arithmetic number, because the mean of its divisors is an integer number (34316034).

Almost surely, 2^137173007 is an apocalyptic number.

137173007 is a deficient number, since it is larger than the sum of its proper divisors (91129).

137173007 is an equidigital number, since it uses as much as digits as its factorization.

137173007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91128.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 137173007 is about 11712.0880717317. The cubic root of 137173007 is about 515.7305834204.

The spelling of 137173007 in words is "one hundred thirty-seven million, one hundred seventy-three thousand, seven".