137444073 has 8 divisors (see below), whose sum is σ = 197355648. Its totient is φ = 84580944.

The previous prime is 137444071. The next prime is 137444101. The reversal of 137444073 is 370444731.

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

It is not a de Polignac number, because 137444073 - 2¹ = 137444071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137444071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762065 + ... + 1762142.

It is an arithmetic number, because the mean of its divisors is an integer number (24669456).

Almost surely, 2^137444073 is an apocalyptic number.

137444073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

137444073 is a deficient number, since it is larger than the sum of its proper divisors (59911575).

137444073 is a wasteful number, since it uses less digits than its factorization.

137444073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524223.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 137444073 is about 11723.6544217236. The cubic root of 137444073 is about 516.0700696565.

The spelling of 137444073 in words is "one hundred thirty-seven million, four hundred forty-four thousand, seventy-three".