141781716 has 18 divisors (see below), whose sum is σ = 358392762. Its totient is φ = 47260560.

The previous prime is 141781709. The next prime is 141781727. The reversal of 141781716 is 617187141.

141781716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134652816 + 7128900 = 11604^2 + 2670^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3938381 = 141781716 / (1 + 4 + 1 + 7 + 8 + 1 + 7 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1969155 + ... + 1969226.

It is an arithmetic number, because the mean of its divisors is an integer number (19910709).

Almost surely, 2^141781716 is an apocalyptic number.

It is an amenable number.

141781716 is an abundant number, since it is smaller than the sum of its proper divisors (216611046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141781716 is a wasteful number, since it uses less digits than its factorization.

141781716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938391 (or 3938386 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 141781716 is about 11907.2127720974. The cubic root of 141781716 is about 521.4428811914.

The spelling of 141781716 in words is "one hundred forty-one million, seven hundred eighty-one thousand, seven hundred sixteen".