140421545331 has 8 divisors (see below), whose sum is σ = 197082870720. Its totient is φ = 88687291752.

The previous prime is 140421545287. The next prime is 140421545389. The reversal of 140421545331 is 133545124041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140421545331 is a prime.

It is a super-2 number, since 2×140421545331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140421545292 and 140421545301.

It is not an unprimeable number, because it can be changed into a prime (140421545531) 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, 1231767885 + ... + 1231767998.

It is an arithmetic number, because the mean of its divisors is an integer number (24635358840).

Almost surely, 2^140421545331 is an apocalyptic number.

140421545331 is a deficient number, since it is larger than the sum of its proper divisors (56661325389).

140421545331 is a wasteful number, since it uses less digits than its factorization.

140421545331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463535905.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 140421545331 its reverse (133545124041), we get a palindrome (273966669372).

The spelling of 140421545331 in words is "one hundred forty billion, four hundred twenty-one million, five hundred forty-five thousand, three hundred thirty-one".