137143697 has 16 divisors (see below), whose sum is σ = 145843200. Its totient is φ = 128748480.

The previous prime is 137143673. The next prime is 137143723. The reversal of 137143697 is 796341731.

It is a cyclic number.

It is not a de Polignac number, because 137143697 - 2¹² = 137139601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137143627) 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 15 ways as a sum of consecutive naturals, for example, 325547 + ... + 325967.

It is an arithmetic number, because the mean of its divisors is an integer number (9115200).

Almost surely, 2^137143697 is an apocalyptic number.

It is an amenable number.

137143697 is a deficient number, since it is larger than the sum of its proper divisors (8699503).

137143697 is a wasteful number, since it uses less digits than its factorization.

137143697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 95256, while the sum is 41.

The square root of 137143697 is about 11710.8367335558. The cubic root of 137143697 is about 515.6938484473.

The spelling of 137143697 in words is "one hundred thirty-seven million, one hundred forty-three thousand, six hundred ninety-seven".