141221734 has 8 divisors (see below), whose sum is σ = 212287608. Its totient is φ = 70459200.

The previous prime is 141221701. The next prime is 141221741. The reversal of 141221734 is 437122141.

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

It is a junction number, because it is equal to n+sod(n) for n = 141221699 and 141221708.

It is a congruent number.

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, 74667 + ... + 76534.

It is an arithmetic number, because the mean of its divisors is an integer number (26535951).

Almost surely, 2^141221734 is an apocalyptic number.

141221734 is a deficient number, since it is larger than the sum of its proper divisors (71065874).

141221734 is a wasteful number, since it uses less digits than its factorization.

141221734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151670.

The product of its digits is 1344, while the sum is 25.

The square root of 141221734 is about 11883.6751049496. The cubic root of 141221734 is about 520.7554773238.

Adding to 141221734 its reverse (437122141), we get a palindrome (578343875).

The spelling of 141221734 in words is "one hundred forty-one million, two hundred twenty-one thousand, seven hundred thirty-four".