137303427 has 4 divisors (see below), whose sum is σ = 183071240. Its totient is φ = 91535616.

The previous prime is 137303423. The next prime is 137303449. The reversal of 137303427 is 724303731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137303427 - 2² = 137303423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137303394 and 137303403.

It is not an unprimeable number, because it can be changed into a prime (137303423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22883902 + ... + 22883907.

It is an arithmetic number, because the mean of its divisors is an integer number (45767810).

Almost surely, 2^137303427 is an apocalyptic number.

137303427 is a deficient number, since it is larger than the sum of its proper divisors (45767813).

137303427 is an equidigital number, since it uses as much as digits as its factorization.

137303427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45767812.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 137303427 is about 11717.6545007949. The cubic root of 137303427 is about 515.8939787283.

The spelling of 137303427 in words is "one hundred thirty-seven million, three hundred three thousand, four hundred twenty-seven".