141356749 has 2 divisors, whose sum is σ = 141356750. Its totient is φ = 141356748.

The previous prime is 141356711. The next prime is 141356779. The reversal of 141356749 is 947653141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89775625 + 51581124 = 9475^2 + 7182^2 .

It is an emirp because it is prime and its reverse (947653141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141356749 - 2¹¹ = 141354701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141356779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70678374 + 70678375.

It is an arithmetic number, because the mean of its divisors is an integer number (70678375).

Almost surely, 2^141356749 is an apocalyptic number.

It is an amenable number.

141356749 is a deficient number, since it is larger than the sum of its proper divisors (1).

141356749 is an equidigital number, since it uses as much as digits as its factorization.

141356749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 141356749 is about 11889.3544400022. The cubic root of 141356749 is about 520.9213805082.

The spelling of 141356749 in words is "one hundred forty-one million, three hundred fifty-six thousand, seven hundred forty-nine".