140644575811 has 8 divisors (see below), whose sum is σ = 151820232480. Its totient is φ = 129890642112.

The previous prime is 140644575793. The next prime is 140644575817. The reversal of 140644575811 is 118575446041.

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 140644575811 - 2⁵ = 140644575779 is a prime.

It is a super-2 number, since 2×140644575811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140644575817) 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, 105430050 + ... + 105431383.

It is an arithmetic number, because the mean of its divisors is an integer number (18977529060).

Almost surely, 2^140644575811 is an apocalyptic number.

140644575811 is a deficient number, since it is larger than the sum of its proper divisors (11175656669).

140644575811 is a wasteful number, since it uses less digits than its factorization.

140644575811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210861485.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 140644575811 in words is "one hundred forty billion, six hundred forty-four million, five hundred seventy-five thousand, eight hundred eleven".