141401421 has 24 divisors (see below), whose sum is σ = 233860224. Its totient is φ = 80650080.

The previous prime is 141401417. The next prime is 141401431. The reversal of 141401421 is 124104141.

It is not a de Polignac number, because 141401421 - 2² = 141401417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141401394 and 141401403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141401411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37975 + ... + 41531.

It is an arithmetic number, because the mean of its divisors is an integer number (9744176).

Almost surely, 2^141401421 is an apocalyptic number.

It is an amenable number.

141401421 is a deficient number, since it is larger than the sum of its proper divisors (92458803).

141401421 is a wasteful number, since it uses less digits than its factorization.

141401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201 (or 4198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 141401421 is about 11891.2329470076. The cubic root of 141401421 is about 520.9762491276.

Adding to 141401421 its reverse (124104141), we get a palindrome (265505562).

The spelling of 141401421 in words is "one hundred forty-one million, four hundred one thousand, four hundred twenty-one".