137080747 has 4 divisors (see below), whose sum is σ = 137169576. Its totient is φ = 136991920.

The previous prime is 137080711. The next prime is 137080751. The reversal of 137080747 is 747080731.

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 137080747 - 2¹¹ = 137078699 is a prime.

It is a super-2 number, since 2×137080747² = 37582262396156018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137090747) 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, 42058 + ... + 45199.

It is an arithmetic number, because the mean of its divisors is an integer number (34292394).

Almost surely, 2^137080747 is an apocalyptic number.

137080747 is a deficient number, since it is larger than the sum of its proper divisors (88829).

137080747 is an equidigital number, since it uses as much as digits as its factorization.

137080747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88828.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 137080747 is about 11708.1487435034. The cubic root of 137080747 is about 515.6149339057.

The spelling of 137080747 in words is "one hundred thirty-seven million, eighty thousand, seven hundred forty-seven".