140266100 has 36 divisors (see below), whose sum is σ = 327794124. Its totient is φ = 51790080.

The previous prime is 140266081. The next prime is 140266111. The reversal of 140266100 is 1662041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18472804 + 121793296 = 4298^2 + 11036^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52649 + ... + 55248.

Almost surely, 2^140266100 is an apocalyptic number.

140266100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140266100 is an abundant number, since it is smaller than the sum of its proper divisors (187528024).

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

140266100 is a wasteful number, since it uses less digits than its factorization.

140266100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107924 (or 107917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140266100 is about 11843.3990053532. The cubic root of 140266100 is about 519.5781835622.

The spelling of 140266100 in words is "one hundred forty million, two hundred sixty-six thousand, one hundred".