340545140105 has 32 divisors (see below), whose sum is σ = 433945239840. Its totient is φ = 255669207040.

The previous prime is 340545140101. The next prime is 340545140123. The reversal of 340545140105 is 501041545043.

It can be written as a sum of positive squares in 16 ways, for example, as 21115577344 + 319429562761 = 145312^2 + 565181^2 .

It is not a de Polignac number, because 340545140105 - 2² = 340545140101 is a prime.

It is a super-2 number, since 2×340545140105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340545140101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54423137 + ... + 54429393.

It is an arithmetic number, because the mean of its divisors is an integer number (13560788745).

Almost surely, 2^340545140105 is an apocalyptic number.

It is an amenable number.

340545140105 is a deficient number, since it is larger than the sum of its proper divisors (93400099735).

340545140105 is a wasteful number, since it uses less digits than its factorization.

340545140105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8029.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 340545140105 its reverse (501041545043), we get a palindrome (841586685148).

The spelling of 340545140105 in words is "three hundred forty billion, five hundred forty-five million, one hundred forty thousand, one hundred five".