365740091 has 4 divisors (see below), whose sum is σ = 387254232. Its totient is φ = 344225952.

The previous prime is 365740087. The next prime is 365740093. The reversal of 365740091 is 190047563.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 365740091 - 2² = 365740087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365740093) 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, 10757045 + ... + 10757078.

It is an arithmetic number, because the mean of its divisors is an integer number (96813558).

Almost surely, 2^365740091 is an apocalyptic number.

365740091 is a deficient number, since it is larger than the sum of its proper divisors (21514141).

365740091 is a wasteful number, since it uses less digits than its factorization.

365740091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514140.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 365740091 is about 19124.3324327936. The cubic root of 365740091 is about 715.1396476872.

The spelling of 365740091 in words is "three hundred sixty-five million, seven hundred forty thousand, ninety-one".