137763565 has 8 divisors (see below), whose sum is σ = 165961080. Its totient is φ = 109780992.

The previous prime is 137763541. The next prime is 137763581. The reversal of 137763565 is 565367731.

It is a happy number.

137763565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10118761 + 127644804 = 3181^2 + 11298^2 .

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 137763565 - 2¹⁵ = 137730797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52320 + ... + 54889.

It is an arithmetic number, because the mean of its divisors is an integer number (20745135).

Almost surely, 2^137763565 is an apocalyptic number.

It is an amenable number.

137763565 is a deficient number, since it is larger than the sum of its proper divisors (28197515).

137763565 is a wasteful number, since it uses less digits than its factorization.

137763565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107471.

The product of its digits is 396900, while the sum is 43.

The square root of 137763565 is about 11737.2724685082. The cubic root of 137763565 is about 516.4696325812.

The spelling of 137763565 in words is "one hundred thirty-seven million, seven hundred sixty-three thousand, five hundred sixty-five".