140811708409 has 8 divisors (see below), whose sum is σ = 142276870400. Its totient is φ = 139346822016.

The previous prime is 140811708391. The next prime is 140811708451. The reversal of 140811708409 is 904807118041.

It is a happy number.

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 140811708409 - 2³¹ = 138664224761 is a prime.

It is a super-2 number, since 2×140811708409² (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 (140811705409) 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, 1052692 + ... + 1178890.

It is an arithmetic number, because the mean of its divisors is an integer number (17784608800).

Almost surely, 2^140811708409 is an apocalyptic number.

It is an amenable number.

140811708409 is a deficient number, since it is larger than the sum of its proper divisors (1465161991).

140811708409 is a wasteful number, since it uses less digits than its factorization.

140811708409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137799.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 140811708409 in words is "one hundred forty billion, eight hundred eleven million, seven hundred eight thousand, four hundred nine".