141906761 has 4 divisors (see below), whose sum is σ = 142118292. Its totient is φ = 141695232.

The previous prime is 141906749. The next prime is 141906767. The reversal of 141906761 is 167609141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 105678400 = 6019^2 + 10280^2 .

It is a cyclic number.

It is not a de Polignac number, because 141906761 - 2²² = 137712457 is a prime.

It is a super-2 number, since 2×141906761² = 40275057635022242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141906767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104756 + ... + 106101.

It is an arithmetic number, because the mean of its divisors is an integer number (35529573).

Almost surely, 2^141906761 is an apocalyptic number.

It is an amenable number.

141906761 is a deficient number, since it is larger than the sum of its proper divisors (211531).

141906761 is an equidigital number, since it uses as much as digits as its factorization.

141906761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211530.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 141906761 is about 11912.4624238652. The cubic root of 141906761 is about 521.5961324177.

The spelling of 141906761 in words is "one hundred forty-one million, nine hundred six thousand, seven hundred sixty-one".