146785231399 has 2 divisors, whose sum is σ = 146785231400. Its totient is φ = 146785231398.

The previous prime is 146785231393. The next prime is 146785231433. The reversal of 146785231399 is 993132587641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146785231399 - 2³³ = 138195296807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146785231393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73392615699 + 73392615700.

It is an arithmetic number, because the mean of its divisors is an integer number (73392615700).

Almost surely, 2^146785231399 is an apocalyptic number.

146785231399 is a deficient number, since it is larger than the sum of its proper divisors (1).

146785231399 is an equidigital number, since it uses as much as digits as its factorization.

146785231399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 58.

The spelling of 146785231399 in words is "one hundred forty-six billion, seven hundred eighty-five million, two hundred thirty-one thousand, three hundred ninety-nine".