141087749 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 116251200.

The previous prime is 141087733. The next prime is 141087763. The reversal of 141087749 is 947780141.

It is a cyclic number.

It is not a de Polignac number, because 141087749 - 2⁴ = 141087733 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141027749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520484 + ... + 520754.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^141087749 is an apocalyptic number.

141087749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

141087749 is a deficient number, since it is larger than the sum of its proper divisors (28118011).

141087749 is a wasteful number, since it uses less digits than its factorization.

141087749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 141087749 is about 11878.0364117980. The cubic root of 141087749 is about 520.5907352116.

The spelling of 141087749 in words is "one hundred forty-one million, eighty-seven thousand, seven hundred forty-nine".