137446243 has 8 divisors (see below), whose sum is σ = 150079536. Its totient is φ = 124836000.

The previous prime is 137446213. The next prime is 137446249. The reversal of 137446243 is 342644731.

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 137446243 - 2¹³ = 137438051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137446199 and 137446208.

It is not an unprimeable number, because it can be changed into a prime (137446249) 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, 8193 + ... + 18493.

It is an arithmetic number, because the mean of its divisors is an integer number (18759942).

Almost surely, 2^137446243 is an apocalyptic number.

137446243 is a deficient number, since it is larger than the sum of its proper divisors (12633293).

137446243 is a wasteful number, since it uses less digits than its factorization.

137446243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525.

The product of its digits is 48384, while the sum is 34.

The square root of 137446243 is about 11723.7469692927. The cubic root of 137446243 is about 516.0727855882.

The spelling of 137446243 in words is "one hundred thirty-seven million, four hundred forty-six thousand, two hundred forty-three".