141321557 has 8 divisors (see below), whose sum is σ = 152285280. Its totient is φ = 130371120.

The previous prime is 141321539. The next prime is 141321569. The reversal of 141321557 is 755123141.

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

It is a cyclic number.

It is not a de Polignac number, because 141321557 - 2²⁰ = 140272981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141321457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36794 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (19035660).

Almost surely, 2^141321557 is an apocalyptic number.

It is an amenable number.

141321557 is a deficient number, since it is larger than the sum of its proper divisors (10963723).

141321557 is a wasteful number, since it uses less digits than its factorization.

141321557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643.

The product of its digits is 4200, while the sum is 29.

The square root of 141321557 is about 11887.8743684479. The cubic root of 141321557 is about 520.8781476077.

Adding to 141321557 its reverse (755123141), we get a palindrome (896444698).

The spelling of 141321557 in words is "one hundred forty-one million, three hundred twenty-one thousand, five hundred fifty-seven".