83690141 has 2 divisors, whose sum is σ = 83690142. Its totient is φ = 83690140.

The previous prime is 83690137. The next prime is 83690147. The reversal of 83690141 is 14109638.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 12355225 = 8446^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 83690141 - 2² = 83690137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83690098 and 83690107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83690147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41845070 + 41845071.

It is an arithmetic number, because the mean of its divisors is an integer number (41845071).

Almost surely, 2^83690141 is an apocalyptic number.

It is an amenable number.

83690141 is a deficient number, since it is larger than the sum of its proper divisors (1).

83690141 is an equidigital number, since it uses as much as digits as its factorization.

83690141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 83690141 is about 9148.2315777422. The cubic root of 83690141 is about 437.4127451569.

Adding to 83690141 its reverse (14109638), we get a palindrome (97799779).

The spelling of 83690141 in words is "eighty-three million, six hundred ninety thousand, one hundred forty-one".