141469991 has 16 divisors (see below), whose sum is σ = 160806240. Its totient is φ = 123379200.

The previous prime is 141469973. The next prime is 141470003. The reversal of 141469991 is 199964141.

141469991 = 11² + 12² + ... + 751².

141469991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 141469991 - 2⁶ = 141469927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141469091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147971 + ... + 148923.

It is an arithmetic number, because the mean of its divisors is an integer number (10050390).

Almost surely, 2^141469991 is an apocalyptic number.

141469991 is a deficient number, since it is larger than the sum of its proper divisors (19336249).

141469991 is a wasteful number, since it uses less digits than its factorization.

141469991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 69984, while the sum is 44.

The square root of 141469991 is about 11894.1158141326. The cubic root of 141469991 is about 521.0604481129.

The spelling of 141469991 in words is "one hundred forty-one million, four hundred sixty-nine thousand, nine hundred ninety-one".