146315578639 has 2 divisors, whose sum is σ = 146315578640. Its totient is φ = 146315578638.

The previous prime is 146315578579. The next prime is 146315578831. The reversal of 146315578639 is 936875513641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146315578639 - 2²³ = 146307190031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146315573639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73157789319 + 73157789320.

It is an arithmetic number, because the mean of its divisors is an integer number (73157789320).

Almost surely, 2^146315578639 is an apocalyptic number.

146315578639 is a deficient number, since it is larger than the sum of its proper divisors (1).

146315578639 is an equidigital number, since it uses as much as digits as its factorization.

146315578639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 58.

The spelling of 146315578639 in words is "one hundred forty-six billion, three hundred fifteen million, five hundred seventy-eight thousand, six hundred thirty-nine".