1340220773079 has 6 divisors (see below), whose sum is σ = 1935874450016. Its totient is φ = 893480515380.

The previous prime is 1340220772937. The next prime is 1340220773081. The reversal of 1340220773079 is 9703770220431.

1340220773079 is a `hidden beast` number, since 1 + 3 + 402 + 207 + 7 + 30 + 7 + 9 = 666.

It is not a de Polignac number, because 1340220773079 - 2³³ = 1331630838487 is a prime.

It is a super-2 number, since 2×1340220773079² (a number of 25 digits) 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 (1340220773179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74456709607 + ... + 74456709624.

Almost surely, 2^{1340220773079} is an apocalyptic number.

1340220773079 is a deficient number, since it is larger than the sum of its proper divisors (595653676937).

1340220773079 is a wasteful number, since it uses less digits than its factorization.

1340220773079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148913419237 (or 148913419234 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 1340220773079 in words is "one trillion, three hundred forty billion, two hundred twenty million, seven hundred seventy-three thousand, seventy-nine".