137009347 has 4 divisors (see below), whose sum is σ = 137882176. Its totient is φ = 136136520.

The previous prime is 137009333. The next prime is 137009351. The reversal of 137009347 is 743900731.

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 137009347 - 2⁷ = 137009219 is a prime.

It is a super-2 number, since 2×137009347² = 37543122330732818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137009317) 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, 436179 + ... + 436492.

It is an arithmetic number, because the mean of its divisors is an integer number (34470544).

Almost surely, 2^137009347 is an apocalyptic number.

137009347 is a deficient number, since it is larger than the sum of its proper divisors (872829).

137009347 is an equidigital number, since it uses as much as digits as its factorization.

137009347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872828.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 137009347 is about 11705.0991879608. The cubic root of 137009347 is about 515.5253971406.

The spelling of 137009347 in words is "one hundred thirty-seven million, nine thousand, three hundred forty-seven".