137009441 has 4 divisors (see below), whose sum is σ = 137367552. Its totient is φ = 136651332.

The previous prime is 137009423. The next prime is 137009471. The reversal of 137009441 is 144900731.

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 137009441 - 2⁶ = 137009377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137009471) 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, 178481 + ... + 179246.

It is an arithmetic number, because the mean of its divisors is an integer number (34341888).

Almost surely, 2^137009441 is an apocalyptic number.

It is an amenable number.

137009441 is a deficient number, since it is larger than the sum of its proper divisors (358111).

137009441 is an equidigital number, since it uses as much as digits as its factorization.

137009441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358110.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 137009441 is about 11705.1032033041. The cubic root of 137009441 is about 515.5255150386.

The spelling of 137009441 in words is "one hundred thirty-seven million, nine thousand, four hundred forty-one".