137540699 has 8 divisors (see below), whose sum is σ = 139442688. Its totient is φ = 135651880.

The previous prime is 137540657. The next prime is 137540701. The reversal of 137540699 is 996045731.

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 137540699 - 2⁸ = 137540443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137540629) 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, 18734 + ... + 25020.

It is an arithmetic number, because the mean of its divisors is an integer number (17430336).

Almost surely, 2^137540699 is an apocalyptic number.

137540699 is a deficient number, since it is larger than the sum of its proper divisors (1901989).

137540699 is a wasteful number, since it uses less digits than its factorization.

137540699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 137540699 is about 11727.7746823513. The cubic root of 137540699 is about 516.1909772724.

The spelling of 137540699 in words is "one hundred thirty-seven million, five hundred forty thousand, six hundred ninety-nine".