141372509 has 2 divisors, whose sum is σ = 141372510. Its totient is φ = 141372508.

The previous prime is 141372461. The next prime is 141372529. The reversal of 141372509 is 905273141.

141372509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92064025 + 49308484 = 9595^2 + 7022^2 .

It is an emirp because it is prime and its reverse (905273141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141372509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141372529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70686254 + 70686255.

It is an arithmetic number, because the mean of its divisors is an integer number (70686255).

Almost surely, 2^141372509 is an apocalyptic number.

It is an amenable number.

141372509 is a deficient number, since it is larger than the sum of its proper divisors (1).

141372509 is an equidigital number, since it uses as much as digits as its factorization.

141372509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 141372509 is about 11890.0171993147. The cubic root of 141372509 is about 520.9407391308.

The spelling of 141372509 in words is "one hundred forty-one million, three hundred seventy-two thousand, five hundred nine".