1364942069 has 4 divisors (see below), whose sum is σ = 1365356640. Its totient is φ = 1364527500.

The previous prime is 1364942063. The next prime is 1364942071. The reversal of 1364942069 is 9602494631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9602494631 = 191 ⋅50274841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364942069 is a prime.

It is a super-2 number, since 2×1364942069² = 3726133703452001522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364942063) 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, 202307 + ... + 208944.

It is an arithmetic number, because the mean of its divisors is an integer number (341339160).

Almost surely, 2^1364942069 is an apocalyptic number.

It is an amenable number.

1364942069 is a deficient number, since it is larger than the sum of its proper divisors (414571).

1364942069 is an equidigital number, since it uses as much as digits as its factorization.

1364942069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414570.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1364942069 is about 36945.1223979567. The cubic root of 1364942069 is about 1109.2720571426.

The spelling of 1364942069 in words is "one billion, three hundred sixty-four million, nine hundred forty-two thousand, sixty-nine".