1340080939 has 8 divisors (see below), whose sum is σ = 1372543920. Its totient is φ = 1307677056.

The previous prime is 1340080933. The next prime is 1340080961. The reversal of 1340080939 is 9390800431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340080939 - 2¹⁷ = 1339949867 is a prime.

It is a super-2 number, since 2×1340080939² = 3591633846142243442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340080898 and 1340080907.

It is not an unprimeable number, because it can be changed into a prime (1340080933) 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, 32967 + ... + 61375.

It is an arithmetic number, because the mean of its divisors is an integer number (171567990).

Almost surely, 2^1340080939 is an apocalyptic number.

1340080939 is a deficient number, since it is larger than the sum of its proper divisors (32462981).

1340080939 is a wasteful number, since it uses less digits than its factorization.

1340080939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29549.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1340080939 is about 36607.1159612445. The cubic root of 1340080939 is about 1102.4959682975.

The spelling of 1340080939 in words is "one billion, three hundred forty million, eighty thousand, nine hundred thirty-nine".