137543497 has 16 divisors (see below), whose sum is σ = 174748672. Its totient is φ = 105312960.

The previous prime is 137543459. The next prime is 137543521. The reversal of 137543497 is 794345731.

137543497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 137543497 - 2²⁷ = 3325769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137543407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21558 + ... + 27199.

It is an arithmetic number, because the mean of its divisors is an integer number (10921792).

Almost surely, 2^137543497 is an apocalyptic number.

It is an amenable number.

137543497 is a deficient number, since it is larger than the sum of its proper divisors (37205175).

137543497 is a wasteful number, since it uses less digits than its factorization.

137543497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48808.

The product of its digits is 317520, while the sum is 43.

The square root of 137543497 is about 11727.8939712124. The cubic root of 137543497 is about 516.1944775516.

The spelling of 137543497 in words is "one hundred thirty-seven million, five hundred forty-three thousand, four hundred ninety-seven".