137462009 has 4 divisors (see below), whose sum is σ = 137594100. Its totient is φ = 137329920.

The previous prime is 137461999. The next prime is 137462011. The reversal of 137462009 is 900264731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900264731 = 53 ⋅16986127.

It can be written as a sum of positive squares in 2 ways, for example, as 55830784 + 81631225 = 7472^2 + 9035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137462009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137462089) 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 3 ways as a sum of consecutive naturals, for example, 64472 + ... + 66569.

It is an arithmetic number, because the mean of its divisors is an integer number (34398525).

Almost surely, 2^137462009 is an apocalyptic number.

It is an amenable number.

137462009 is a deficient number, since it is larger than the sum of its proper divisors (132091).

137462009 is a wasteful number, since it uses less digits than its factorization.

137462009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132090.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 137462009 is about 11724.4193459634. The cubic root of 137462009 is about 516.0925171630.

The spelling of 137462009 in words is "one hundred thirty-seven million, four hundred sixty-two thousand, nine".