101398133 has 4 divisors (see below), whose sum is σ = 101431680. Its totient is φ = 101364588.

The previous prime is 101398103. The next prime is 101398151. The reversal of 101398133 is 331893101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101398133 - 2¹⁸ = 101135989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101398096 and 101398105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101398103) 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, 11735 + ... + 18452.

It is an arithmetic number, because the mean of its divisors is an integer number (25357920).

Almost surely, 2^101398133 is an apocalyptic number.

It is an amenable number.

101398133 is a deficient number, since it is larger than the sum of its proper divisors (33547).

101398133 is an equidigital number, since it uses as much as digits as its factorization.

101398133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33546.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 101398133 is about 10069.6639963804. The cubic root of 101398133 is about 466.3120657122.

The spelling of 101398133 in words is "one hundred one million, three hundred ninety-eight thousand, one hundred thirty-three".