140437266 has 16 divisors (see below), whose sum is σ = 281945664. Its totient is φ = 46633904.

The previous prime is 140437247. The next prime is 140437267. The reversal of 140437266 is 662734041.

It is a happy number.

140437266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140437267) 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, 42921 + ... + 46076.

It is an arithmetic number, because the mean of its divisors is an integer number (17621604).

Almost surely, 2^140437266 is an apocalyptic number.

140437266 is an abundant number, since it is smaller than the sum of its proper divisors (141508398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140437266 is a wasteful number, since it uses less digits than its factorization.

140437266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89265.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 140437266 is about 11850.6230215968. The cubic root of 140437266 is about 519.7894438467.

The spelling of 140437266 in words is "one hundred forty million, four hundred thirty-seven thousand, two hundred sixty-six".