140004421131 has 4 divisors (see below), whose sum is σ = 186672561512. Its totient is φ = 93336280752.

The previous prime is 140004421129. The next prime is 140004421133. The reversal of 140004421131 is 131124400041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131124400041 = 3 ⋅43708133347.

It is an interprime number because it is at equal distance from previous prime (140004421129) and next prime (140004421133).

It is not a de Polignac number, because 140004421131 - 2¹ = 140004421129 is a prime.

It is a super-2 number, since 2×140004421131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140004421098 and 140004421107.

It is not an unprimeable number, because it can be changed into a prime (140004421133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23334070186 + ... + 23334070191.

It is an arithmetic number, because the mean of its divisors is an integer number (46668140378).

Almost surely, 2^140004421131 is an apocalyptic number.

140004421131 is a deficient number, since it is larger than the sum of its proper divisors (46668140381).

140004421131 is an equidigital number, since it uses as much as digits as its factorization.

140004421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46668140380.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140004421131 its reverse (131124400041), we get a palindrome (271128821172).

The spelling of 140004421131 in words is "one hundred forty billion, four million, four hundred twenty-one thousand, one hundred thirty-one".