137789441 has 4 divisors (see below), whose sum is σ = 137812992. Its totient is φ = 137765892.

The previous prime is 137789429. The next prime is 137789461. The reversal of 137789441 is 144987731.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137789441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137789392 and 137789401.

It is not an unprimeable number, because it can be changed into a prime (137789401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (34453248).

It is a Proth number, since it is equal to 4205 ⋅ 2¹⁵ + 1 and 4205 < 2¹⁵.

Almost surely, 2^137789441 is an apocalyptic number.

It is an amenable number.

137789441 is a deficient number, since it is larger than the sum of its proper divisors (23551).

137789441 is a wasteful number, since it uses less digits than its factorization.

137789441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23550.

The product of its digits is 169344, while the sum is 44.

The square root of 137789441 is about 11738.3747171404. The cubic root of 137789441 is about 516.5019665576.

The spelling of 137789441 in words is "one hundred thirty-seven million, seven hundred eighty-nine thousand, four hundred forty-one".