137064427 has 4 divisors (see below), whose sum is σ = 137260656. Its totient is φ = 136868200.

The previous prime is 137064419. The next prime is 137064437. The reversal of 137064427 is 724460731.

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

It is a cyclic number.

It is not a de Polignac number, because 137064427 - 2³ = 137064419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137064392 and 137064401.

It is not an unprimeable number, because it can be changed into a prime (137064407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97063 + ... + 98464.

It is an arithmetic number, because the mean of its divisors is an integer number (34315164).

Almost surely, 2^137064427 is an apocalyptic number.

137064427 is a deficient number, since it is larger than the sum of its proper divisors (196229).

137064427 is an equidigital number, since it uses as much as digits as its factorization.

137064427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196228.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 137064427 is about 11707.4517722688. The cubic root of 137064427 is about 515.5944711010.

The spelling of 137064427 in words is "one hundred thirty-seven million, sixty-four thousand, four hundred twenty-seven".