146781113 has 2 divisors, whose sum is σ = 146781114. Its totient is φ = 146781112.

The previous prime is 146781097. The next prime is 146781127. The reversal of 146781113 is 311187641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 21049744 = 11213^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 146781113 - 2⁴ = 146781097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146781113.

It is not a weakly prime, because it can be changed into another prime (146781163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73390556 + 73390557.

It is an arithmetic number, because the mean of its divisors is an integer number (73390557).

Almost surely, 2^146781113 is an apocalyptic number.

It is an amenable number.

146781113 is a deficient number, since it is larger than the sum of its proper divisors (1).

146781113 is an equidigital number, since it uses as much as digits as its factorization.

146781113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 146781113 is about 12115.3255424689. The cubic root of 146781113 is about 527.5011274056.

The spelling of 146781113 in words is "one hundred forty-six million, seven hundred eighty-one thousand, one hundred thirteen".