137304427 has 16 divisors (see below), whose sum is σ = 157120992. Its totient is φ = 118863360.

The previous prime is 137304421. The next prime is 137304439. The reversal of 137304427 is 724403731.

137304427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 137304427 - 2¹⁹ = 136780139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137304421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72213 + ... + 74089.

It is an arithmetic number, because the mean of its divisors is an integer number (9820062).

Almost surely, 2^137304427 is an apocalyptic number.

137304427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

137304427 is a deficient number, since it is larger than the sum of its proper divisors (19816565).

137304427 is a wasteful number, since it uses less digits than its factorization.

137304427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 137304427 is about 11717.6971713729. The cubic root of 137304427 is about 515.8952311679.

It can be divided in two parts, 137304 and 427, that added together give a palindrome (137731).

The spelling of 137304427 in words is "one hundred thirty-seven million, three hundred four thousand, four hundred twenty-seven".