101339280 has 120 divisors (see below), whose sum is σ = 388969152. Its totient is φ = 23162112.

The previous prime is 101339237. The next prime is 101339281. The reversal of 101339280 is 82933101.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (101339281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014 + ... + 15093.

Almost surely, 2^101339280 is an apocalyptic number.

101339280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101339280 is an abundant number, since it is smaller than the sum of its proper divisors (287629872).

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

101339280 is a wasteful number, since it uses less digits than its factorization.

101339280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20133 (or 20124 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 101339280 is about 10066.7412800767. The cubic root of 101339280 is about 466.2218300753.

The spelling of 101339280 in words is "one hundred one million, three hundred thirty-nine thousand, two hundred eighty".