101816140 has 12 divisors (see below), whose sum is σ = 213813936. Its totient is φ = 40726448.

The previous prime is 101816063. The next prime is 101816149. The reversal of 101816140 is 41618101.

It is not an unprimeable number, because it can be changed into a prime (101816149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545384 + ... + 2545423.

It is an arithmetic number, because the mean of its divisors is an integer number (17817828).

Almost surely, 2^101816140 is an apocalyptic number.

101816140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101816140 is an abundant number, since it is smaller than the sum of its proper divisors (111997796).

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

101816140 is a wasteful number, since it uses less digits than its factorization.

101816140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090816 (or 5090814 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 101816140 is about 10090.3984064060. The cubic root of 101816140 is about 466.9519672669.

The spelling of 101816140 in words is "one hundred one million, eight hundred sixteen thousand, one hundred forty".