140134405 has 16 divisors (see below), whose sum is σ = 177952320. Its totient is φ = 105643008.

The previous prime is 140134399. The next prime is 140134411. The reversal of 140134405 is 504431041.

It is an interprime number because it is at equal distance from previous prime (140134399) and next prime (140134411).

It is a cyclic number.

It is not a de Polignac number, because 140134405 - 2⁷ = 140134277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14514 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (11122020).

Almost surely, 2^140134405 is an apocalyptic number.

It is an amenable number.

140134405 is a deficient number, since it is larger than the sum of its proper divisors (37817915).

140134405 is a wasteful number, since it uses less digits than its factorization.

140134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140134405 is about 11837.8378515673. The cubic root of 140134405 is about 519.4155230312.

Adding to 140134405 its reverse (504431041), we get a palindrome (644565446).

The spelling of 140134405 in words is "one hundred forty million, one hundred thirty-four thousand, four hundred five".