140666134 has 32 divisors (see below), whose sum is σ = 248256576. Its totient is φ = 58531200.

The previous prime is 140666117. The next prime is 140666147. The reversal of 140666134 is 431666041.

140666134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140666134² = 39573922509011912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140666096 and 140666105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74004 + ... + 75880.

It is an arithmetic number, because the mean of its divisors is an integer number (7758018).

Almost surely, 2^140666134 is an apocalyptic number.

140666134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140666134 is a deficient number, since it is larger than the sum of its proper divisors (107590442).

140666134 is a wasteful number, since it uses less digits than its factorization.

140666134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 140666134 is about 11860.2754605448. The cubic root of 140666134 is about 520.0716543270.

The spelling of 140666134 in words is "one hundred forty million, six hundred sixty-six thousand, one hundred thirty-four".