146139069405 has 32 divisors (see below), whose sum is σ = 267535540224. Its totient is φ = 66728978496.

The previous prime is 146139069403. The next prime is 146139069421. The reversal of 146139069405 is 504960931641.

It is a happy number.

It is not a de Polignac number, because 146139069405 - 2¹ = 146139069403 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 715759 + ... + 896988.

It is an arithmetic number, because the mean of its divisors is an integer number (8360485632).

Almost surely, 2^146139069405 is an apocalyptic number.

146139069405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146139069405 is a deficient number, since it is larger than the sum of its proper divisors (121396470819).

146139069405 is a wasteful number, since it uses less digits than its factorization.

146139069405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613625.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 146139069405 in words is "one hundred forty-six billion, one hundred thirty-nine million, sixty-nine thousand, four hundred five".