140014435405 has 8 divisors (see below), whose sum is σ = 180941731992. Its totient is φ = 103395275328.

The previous prime is 140014435399. The next prime is 140014435501. The reversal of 140014435405 is 504534410041.

It can be written as a sum of positive squares in 4 ways, for example, as 994330089 + 139020105316 = 31533^2 + 372854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140014435405 - 2⁷ = 140014435277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077034054 + ... + 1077034183.

It is an arithmetic number, because the mean of its divisors is an integer number (22617716499).

Almost surely, 2^140014435405 is an apocalyptic number.

It is an amenable number.

140014435405 is a deficient number, since it is larger than the sum of its proper divisors (40927296587).

140014435405 is a wasteful number, since it uses less digits than its factorization.

140014435405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154068255.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 140014435405 its reverse (504534410041), we get a palindrome (644548845446).

The spelling of 140014435405 in words is "one hundred forty billion, fourteen million, four hundred thirty-five thousand, four hundred five".