1340461851 has 8 divisors (see below), whose sum is σ = 1788090384. Its totient is φ = 893237280.

The previous prime is 1340461847. The next prime is 1340461877. The reversal of 1340461851 is 1581640431.

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

It is not a de Polignac number, because 1340461851 - 2² = 1340461847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340461891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93160 + ... + 106581.

It is an arithmetic number, because the mean of its divisors is an integer number (223511298).

Almost surely, 2^1340461851 is an apocalyptic number.

1340461851 is a deficient number, since it is larger than the sum of its proper divisors (447628533).

1340461851 is a wasteful number, since it uses less digits than its factorization.

1340461851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201981.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1340461851 is about 36612.3182958960. The cubic root of 1340461851 is about 1102.6004182473.

The spelling of 1340461851 in words is "one billion, three hundred forty million, four hundred sixty-one thousand, eight hundred fifty-one".