140429126505 has 8 divisors (see below), whose sum is σ = 224686602432. Its totient is φ = 74895534128.

The previous prime is 140429126503. The next prime is 140429126557. The reversal of 140429126505 is 505621924041.

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 140429126505 - 2¹ = 140429126503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140429126503) 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, 4680970869 + ... + 4680970898.

It is an arithmetic number, because the mean of its divisors is an integer number (28085825304).

Almost surely, 2^140429126505 is an apocalyptic number.

140429126505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140429126505 is a deficient number, since it is larger than the sum of its proper divisors (84257475927).

140429126505 is an equidigital number, since it uses as much as digits as its factorization.

140429126505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361941775.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 140429126505 in words is "one hundred forty billion, four hundred twenty-nine million, one hundred twenty-six thousand, five hundred five".