141920749 has 2 divisors, whose sum is σ = 141920750. Its totient is φ = 141920748.

The previous prime is 141920731. The next prime is 141920761. The reversal of 141920749 is 947029141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140256649 + 1664100 = 11843^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 141920749 - 2⁹ = 141920237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141920729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70960374 + 70960375.

It is an arithmetic number, because the mean of its divisors is an integer number (70960375).

Almost surely, 2^141920749 is an apocalyptic number.

It is an amenable number.

141920749 is a deficient number, since it is larger than the sum of its proper divisors (1).

141920749 is an equidigital number, since it uses as much as digits as its factorization.

141920749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 141920749 is about 11913.0495256253. The cubic root of 141920749 is about 521.6132700719.

The spelling of 141920749 in words is "one hundred forty-one million, nine hundred twenty thousand, seven hundred forty-nine".