1090738641 has 8 divisors (see below), whose sum is σ = 1457461120. Its totient is φ = 725587632.

The previous prime is 1090738639. The next prime is 1090738657. The reversal of 1090738641 is 1468370901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1090738641 - 2¹ = 1090738639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1090738641.

It is not an unprimeable number, because it can be changed into a prime (1090738141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391246 + ... + 394023.

It is an arithmetic number, because the mean of its divisors is an integer number (182182640).

Almost surely, 2^1090738641 is an apocalyptic number.

It is an amenable number.

1090738641 is a deficient number, since it is larger than the sum of its proper divisors (366722479).

1090738641 is an equidigital number, since it uses as much as digits as its factorization.

1090738641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785735.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1090738641 is about 33026.3325393541. The cubic root of 1090738641 is about 1029.3748809983.

The spelling of 1090738641 in words is "one billion, ninety million, seven hundred thirty-eight thousand, six hundred forty-one".