101135944 has 32 divisors (see below), whose sum is σ = 233392320. Its totient is φ = 40009536.

The previous prime is 101135939. The next prime is 101135953. The reversal of 101135944 is 449531101.

It is a super-2 number, since 2×101135944² = 20456958337542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 68734 + ... + 70189.

It is an arithmetic number, because the mean of its divisors is an integer number (7293510).

Almost surely, 2^101135944 is an apocalyptic number.

101135944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101135944 is an abundant number, since it is smaller than the sum of its proper divisors (132256376).

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

101135944 is a wasteful number, since it uses less digits than its factorization.

101135944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138949 (or 138945 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 101135944 is about 10056.6368135674. The cubic root of 101135944 is about 465.9097985261.

The spelling of 101135944 in words is "one hundred one million, one hundred thirty-five thousand, nine hundred forty-four".