141402321 has 32 divisors (see below), whose sum is σ = 220704000. Its totient is φ = 89299584.

The previous prime is 141402281. The next prime is 141402383. The reversal of 141402321 is 123204141.

It is not a de Polignac number, because 141402321 - 2⁶ = 141402257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141402294 and 141402303.

It is not an unprimeable number, because it can be changed into a prime (141402421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66645 + ... + 68733.

It is an arithmetic number, because the mean of its divisors is an integer number (6897000).

Almost surely, 2^141402321 is an apocalyptic number.

141402321 is the 7521-st heptagonal number.

It is an amenable number.

141402321 is a deficient number, since it is larger than the sum of its proper divisors (79301679).

141402321 is a wasteful number, since it uses less digits than its factorization.

141402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 141402321 is about 11891.2707899534. The cubic root of 141402321 is about 520.9773544386.

Adding to 141402321 its reverse (123204141), we get a palindrome (264606462).

It can be divided in two parts, 14140 and 2321, that added together give a palindrome (16461).

The spelling of 141402321 in words is "one hundred forty-one million, four hundred two thousand, three hundred twenty-one".