340395136157 has 4 divisors (see below), whose sum is σ = 340406987100. Its totient is φ = 340383285216.

The previous prime is 340395136093. The next prime is 340395136181. The reversal of 340395136157 is 751631593043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751631593043 = 1367 ⋅549840229.

It can be written as a sum of positive squares in 2 ways, for example, as 160529236921 + 179865899236 = 400661^2 + 424106^2 .

It is a cyclic number.

It is not a de Polignac number, because 340395136157 - 2⁶ = 340395136093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340395136187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5882282 + ... + 5939867.

It is an arithmetic number, because the mean of its divisors is an integer number (85101746775).

Almost surely, 2^340395136157 is an apocalyptic number.

It is an amenable number.

340395136157 is a deficient number, since it is larger than the sum of its proper divisors (11850943).

340395136157 is a wasteful number, since it uses less digits than its factorization.

340395136157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11850942.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 340395136157 in words is "three hundred forty billion, three hundred ninety-five million, one hundred thirty-six thousand, one hundred fifty-seven".