141621137 has 4 divisors (see below), whose sum is σ = 161852736. Its totient is φ = 121389540.

The previous prime is 141621131. The next prime is 141621173. The reversal of 141621137 is 731126141.

141621137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141621137 - 2⁴ = 141621121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141621131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10115789 + ... + 10115802.

It is an arithmetic number, because the mean of its divisors is an integer number (40463184).

Almost surely, 2^141621137 is an apocalyptic number.

It is an amenable number.

141621137 is a deficient number, since it is larger than the sum of its proper divisors (20231599).

141621137 is an equidigital number, since it uses as much as digits as its factorization.

141621137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231598.

The product of its digits is 1008, while the sum is 26.

The square root of 141621137 is about 11900.4679319765. The cubic root of 141621137 is about 521.2459483992.

Adding to 141621137 its reverse (731126141), we get a palindrome (872747278).

The spelling of 141621137 in words is "one hundred forty-one million, six hundred twenty-one thousand, one hundred thirty-seven".