1369141091 has 4 divisors (see below), whose sum is σ = 1371599712. Its totient is φ = 1366682472.

The previous prime is 1369141057. The next prime is 1369141093. The reversal of 1369141091 is 1901419631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369141091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1369141093) 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, 1228475 + ... + 1229588.

It is an arithmetic number, because the mean of its divisors is an integer number (342899928).

Almost surely, 2^1369141091 is an apocalyptic number.

1369141091 is a deficient number, since it is larger than the sum of its proper divisors (2458621).

1369141091 is an equidigital number, since it uses as much as digits as its factorization.

1369141091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458620.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1369141091 is about 37001.9065860126. The cubic root of 1369141091 is about 1110.4083909704.

The spelling of 1369141091 in words is "one billion, three hundred sixty-nine million, one hundred forty-one thousand, ninety-one".