44000137 has 4 divisors (see below), whose sum is σ = 45023440. Its totient is φ = 42976836.

The previous prime is 44000113. The next prime is 44000167. The reversal of 44000137 is 73100044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44000137 - 2⁷ = 44000009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44000167) 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, 511587 + ... + 511672.

It is an arithmetic number, because the mean of its divisors is an integer number (11255860).

Almost surely, 2^44000137 is an apocalyptic number.

It is an amenable number.

44000137 is a deficient number, since it is larger than the sum of its proper divisors (1023303).

44000137 is a wasteful number, since it uses less digits than its factorization.

44000137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023302.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 44000137 is about 6633.2599074663. The cubic root of 44000137 is about 353.0351999396.

The spelling of 44000137 in words is "forty-four million, one hundred thirty-seven", and thus it is an aban number.