141019997 has 2 divisors, whose sum is σ = 141019998. Its totient is φ = 141019996.

The previous prime is 141019993. The next prime is 141020029. The reversal of 141019997 is 799910141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140517316 + 502681 = 11854^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 141019997 - 2² = 141019993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141019993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70509998 + 70509999.

It is an arithmetic number, because the mean of its divisors is an integer number (70509999).

Almost surely, 2^141019997 is an apocalyptic number.

It is an amenable number.

141019997 is a deficient number, since it is larger than the sum of its proper divisors (1).

141019997 is an equidigital number, since it uses as much as digits as its factorization.

141019997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 141019997 is about 11875.1840827837. The cubic root of 141019997 is about 520.5073906001.

The spelling of 141019997 in words is "one hundred forty-one million, nineteen thousand, nine hundred ninety-seven".