101390000 has 50 divisors (see below), whose sum is σ = 245499540. Its totient is φ = 40552000.

The previous prime is 101389999. The next prime is 101390011. The reversal of 101390000 is 93101.

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 4931 + ... + 15069.

Almost surely, 2^101390000 is an apocalyptic number.

101390000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122749770).

101390000 is an abundant number, since it is smaller than the sum of its proper divisors (144109540).

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

101390000 is an equidigital number, since it uses as much as digits as its factorization.

101390000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10146 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 101390000 is about 10069.2601515702. The cubic root of 101390000 is about 466.2995979697.

The spelling of 101390000 in words is "one hundred one million, three hundred ninety thousand".