140606266 has 16 divisors (see below), whose sum is σ = 218004480. Its totient is φ = 67944240.

The previous prime is 140606243. The next prime is 140606273. The reversal of 140606266 is 662606041.

140606266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 81420 + ... + 83128.

It is an arithmetic number, because the mean of its divisors is an integer number (13625280).

Almost surely, 2^140606266 is an apocalyptic number.

140606266 is a deficient number, since it is larger than the sum of its proper divisors (77398214).

140606266 is a wasteful number, since it uses less digits than its factorization.

140606266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069.

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

The square root of 140606266 is about 11857.7513045265. The cubic root of 140606266 is about 519.9978624172.

The spelling of 140606266 in words is "one hundred forty million, six hundred six thousand, two hundred sixty-six".