1340310776157 has 12 divisors (see below), whose sum is σ = 1972532841084. Its totient is φ = 876681262080.

The previous prime is 1340310776153. The next prime is 1340310776191. The reversal of 1340310776157 is 7516770130431.

1340310776157 is a `hidden beast` number, since 13 + 4 + 0 + 3 + 10 + 7 + 7 + 615 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1172674575801 + 167636200356 = 1082901^2 + 409434^2 .

It is not a de Polignac number, because 1340310776157 - 2² = 1340310776153 is a prime.

It is a super-3 number, since 3×1340310776157³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340310776153) 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, 1404937444 + ... + 1404938397.

It is an arithmetic number, because the mean of its divisors is an integer number (164377736757).

Almost surely, 2^{1340310776157} is an apocalyptic number.

It is an amenable number.

1340310776157 is a deficient number, since it is larger than the sum of its proper divisors (632222064927).

1340310776157 is a wasteful number, since it uses less digits than its factorization.

1340310776157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809875900 (or 2809875897 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 1340310776157 in words is "one trillion, three hundred forty billion, three hundred ten million, seven hundred seventy-six thousand, one hundred fifty-seven".