137427473 has 8 divisors (see below), whose sum is σ = 146385792. Its totient is φ = 128566336.

The previous prime is 137427469. The next prime is 137427487. The reversal of 137427473 is 374724731.

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 137427473 - 2² = 137427469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137427413) 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 7 ways as a sum of consecutive naturals, for example, 21365 + ... + 27042.

It is an arithmetic number, because the mean of its divisors is an integer number (18298224).

Almost surely, 2^137427473 is an apocalyptic number.

It is an amenable number.

137427473 is a deficient number, since it is larger than the sum of its proper divisors (8958319).

137427473 is a wasteful number, since it uses less digits than its factorization.

137427473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48591.

The product of its digits is 98784, while the sum is 38.

The square root of 137427473 is about 11722.9464299723. The cubic root of 137427473 is about 516.0492924587.

The spelling of 137427473 in words is "one hundred thirty-seven million, four hundred twenty-seven thousand, four hundred seventy-three".