140512771813 has 8 divisors (see below), whose sum is σ = 141791873400. Its totient is φ = 139238151360.

The previous prime is 140512771811. The next prime is 140512771831. The reversal of 140512771813 is 318177215041.

It can be written as a sum of positive squares in 4 ways, for example, as 12361659489 + 128151112324 = 111183^2 + 357982^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140512771813 - 2¹ = 140512771811 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 (140512771811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057270 + ... + 1182727.

It is an arithmetic number, because the mean of its divisors is an integer number (17723984175).

Almost surely, 2^140512771813 is an apocalyptic number.

It is an amenable number.

140512771813 is a deficient number, since it is larger than the sum of its proper divisors (1279101587).

140512771813 is a wasteful number, since it uses less digits than its factorization.

140512771813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240567.

The product of its (nonzero) digits is 47040, while the sum is 40.

Adding to 140512771813 its reverse (318177215041), we get a palindrome (458689986854).

The spelling of 140512771813 in words is "one hundred forty billion, five hundred twelve million, seven hundred seventy-one thousand, eight hundred thirteen".