140223431413402 has 8 divisors (see below), whose sum is σ = 210998664935316. Its totient is φ = 69890543101632.

The previous prime is 140223431413399. The next prime is 140223431413463. The reversal of 140223431413402 is 204314134322041.

It can be written as a sum of positive squares in 2 ways, for example, as 126668744787841 + 13554686625561 = 11254721^2 + 3681669^2 .

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

It is a super-2 number, since 2×140223431413402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110586301743 + ... + 110586303010.

Almost surely, 2^{140223431413402} is an apocalyptic number.

140223431413402 is a deficient number, since it is larger than the sum of its proper divisors (70775233521914).

140223431413402 is a wasteful number, since it uses less digits than its factorization.

140223431413402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221172605072.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 140223431413402 its reverse (204314134322041), we get a palindrome (344537565735443).

The spelling of 140223431413402 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred thirty-one million, four hundred thirteen thousand, four hundred two".