140668340134 has 32 divisors (see below), whose sum is σ = 242184079872. Its totient is φ = 60027000000.

The previous prime is 140668340123. The next prime is 140668340159. The reversal of 140668340134 is 431043866041.

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, 18799674 + ... + 18807154.

It is an arithmetic number, because the mean of its divisors is an integer number (7568252496).

Almost surely, 2^140668340134 is an apocalyptic number.

140668340134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140668340134 is a deficient number, since it is larger than the sum of its proper divisors (101515739738).

140668340134 is a wasteful number, since it uses less digits than its factorization.

140668340134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 140668340134 in words is "one hundred forty billion, six hundred sixty-eight million, three hundred forty thousand, one hundred thirty-four".