1364940646 has 4 divisors (see below), whose sum is σ = 2047410972. Its totient is φ = 682470322.

The previous prime is 1364940607. The next prime is 1364940671. The reversal of 1364940646 is 6460494631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341235160 + ... + 341235163.

It is an arithmetic number, because the mean of its divisors is an integer number (511852743).

Almost surely, 2^1364940646 is an apocalyptic number.

1364940646 is a deficient number, since it is larger than the sum of its proper divisors (682470326).

1364940646 is an equidigital number, since it uses as much as digits as its factorization.

1364940646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682470325.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 1364940646 is about 36945.1031396584. The cubic root of 1364940646 is about 1109.2716716574.

The spelling of 1364940646 in words is "one billion, three hundred sixty-four million, nine hundred forty thousand, six hundred forty-six".