101400140 has 12 divisors (see below), whose sum is σ = 212940336. Its totient is φ = 40560048.

The previous prime is 101400137. The next prime is 101400151. The reversal of 101400140 is 41004101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534984 + ... + 2535023.

It is an arithmetic number, because the mean of its divisors is an integer number (17745028).

Almost surely, 2^101400140 is an apocalyptic number.

101400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101400140 is an abundant number, since it is smaller than the sum of its proper divisors (111540196).

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

101400140 is a wasteful number, since it uses less digits than its factorization.

101400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070016 (or 5070014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101400140 is about 10069.7636516455. The cubic root of 101400140 is about 466.3151423044.

Adding to 101400140 its reverse (41004101), we get a palindrome (142404241).

The spelling of 101400140 in words is "one hundred one million, four hundred thousand, one hundred forty".