101013140 has 12 divisors (see below), whose sum is σ = 212127636. Its totient is φ = 40405248.

The previous prime is 101013137. The next prime is 101013151. The reversal of 101013140 is 41310101.

It can be written as a sum of positive squares in 2 ways, for example, as 54582544 + 46430596 = 7388^2 + 6814^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525309 + ... + 2525348.

It is an arithmetic number, because the mean of its divisors is an integer number (17677303).

Almost surely, 2^101013140 is an apocalyptic number.

101013140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101013140 is an abundant number, since it is smaller than the sum of its proper divisors (111114496).

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

101013140 is a wasteful number, since it uses less digits than its factorization.

101013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050666 (or 5050664 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101013140 is about 10050.5293392935. The cubic root of 101013140 is about 465.7211456488.

Adding to 101013140 its reverse (41310101), we get a palindrome (142323241).

The spelling of 101013140 in words is "one hundred one million, thirteen thousand, one hundred forty".