137427 has 8 divisors (see below), whose sum is σ = 192960. Its totient is φ = 86760.

The previous prime is 137413. The next prime is 137437. The reversal of 137427 is 724731.

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

It is not a de Polignac number, because 137427 - 2⁶ = 137363 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 137397 and 137406.

It is not an unprimeable number, because it can be changed into a prime (137437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149 + ... + 1262.

It is an arithmetic number, because the mean of its divisors is an integer number (24120).

2¹³⁷⁴²⁷ is an apocalyptic number.

137427 is a deficient number, since it is larger than the sum of its proper divisors (55533).

137427 is a wasteful number, since it uses less digits than its factorization.

137427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

The product of its digits is 1176, while the sum is 24.

The square root of 137427 is about 370.7114781066. The cubic root of 137427 is about 51.6048700409.

The spelling of 137427 in words is "one hundred thirty-seven thousand, four hundred twenty-seven".