146139069406 has 16 divisors (see below), whose sum is σ = 239143870080. Its totient is φ = 66424846680.

The previous prime is 146139069403. The next prime is 146139069421. The reversal of 146139069406 is 604960931641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146139069406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146139069403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843655 + ... + 1002013.

It is an arithmetic number, because the mean of its divisors is an integer number (14946491880).

Almost surely, 2^146139069406 is an apocalyptic number.

146139069406 is a deficient number, since it is larger than the sum of its proper divisors (93004800674).

146139069406 is a wasteful number, since it uses less digits than its factorization.

146139069406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200319.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 146139069406 in words is "one hundred forty-six billion, one hundred thirty-nine million, sixty-nine thousand, four hundred six".