1497372137 has 8 divisors (see below), whose sum is σ = 1546125312. Its totient is φ = 1448647200.

The previous prime is 1497372133. The next prime is 1497372139. The reversal of 1497372137 is 7312737941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1497372137 - 2² = 1497372133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497372133) 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 7 ways as a sum of consecutive naturals, for example, 178712 + ... + 186902.

It is an arithmetic number, because the mean of its divisors is an integer number (193265664).

Almost surely, 2^1497372137 is an apocalyptic number.

It is an amenable number.

1497372137 is a deficient number, since it is larger than the sum of its proper divisors (48753175).

1497372137 is an equidigital number, since it uses as much as digits as its factorization.

1497372137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119.

The product of its digits is 222264, while the sum is 44.

The square root of 1497372137 is about 38695.8930249710. The cubic root of 1497372137 is about 1144.0453735345.

The spelling of 1497372137 in words is "one billion, four hundred ninety-seven million, three hundred seventy-two thousand, one hundred thirty-seven".