137540499 has 8 divisors (see below), whose sum is σ = 183468432. Its totient is φ = 91653120.

The previous prime is 137540497. The next prime is 137540509. The reversal of 137540499 is 994045731.

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

It is not a de Polignac number, because 137540499 - 2¹ = 137540497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137540499.

It is not an unprimeable number, because it can be changed into a prime (137540497) 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, 1062 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (22933554).

Almost surely, 2^137540499 is an apocalyptic number.

137540499 is a deficient number, since it is larger than the sum of its proper divisors (45927933).

137540499 is a wasteful number, since it uses less digits than its factorization.

137540499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 137540499 is about 11727.7661555814. The cubic root of 137540499 is about 516.1907270719.

The spelling of 137540499 in words is "one hundred thirty-seven million, five hundred forty thousand, four hundred ninety-nine".