1340961546123 has 12 divisors (see below), whose sum is σ = 1986618612280. Its totient is φ = 893970352656.

The previous prime is 1340961546097. The next prime is 1340961546149. The reversal of 1340961546123 is 3216451690431.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1340961546123 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 9 + 615 + 4 + 6 + 1 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (1340961546097) and next prime (1340961546149).

It is not a de Polignac number, because 1340961546123 - 2¹⁷ = 1340961415051 is a prime.

It is a super-2 number, since 2×1340961546123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340961546923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5905711 + ... + 6128567.

Almost surely, 2^{1340961546123} is an apocalyptic number.

1340961546123 is a deficient number, since it is larger than the sum of its proper divisors (645657066157).

1340961546123 is an frugal number, since it uses more digits than its factorization.

1340961546123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445723 (or 222860 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 1340961546123 in words is "one trillion, three hundred forty billion, nine hundred sixty-one million, five hundred forty-six thousand, one hundred twenty-three".