140312400245 has 16 divisors (see below), whose sum is σ = 169154924160. Its totient is φ = 111730152384.

The previous prime is 140312400233. The next prime is 140312400253. The reversal of 140312400245 is 542004213041.

It is a cyclic number.

It is not a de Polignac number, because 140312400245 - 2¹⁰ = 140312399221 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4981592 + ... + 5009678.

It is an arithmetic number, because the mean of its divisors is an integer number (10572182760).

Almost surely, 2^140312400245 is an apocalyptic number.

It is an amenable number.

140312400245 is a deficient number, since it is larger than the sum of its proper divisors (28842523915).

140312400245 is a wasteful number, since it uses less digits than its factorization.

140312400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32684.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 140312400245 its reverse (542004213041), we get a palindrome (682316613286).

The spelling of 140312400245 in words is "one hundred forty billion, three hundred twelve million, four hundred thousand, two hundred forty-five".