100813749 has 8 divisors (see below), whose sum is σ = 135804480. Its totient is φ = 66516096.

The previous prime is 100813747. The next prime is 100813751. The reversal of 100813749 is 947318001.

It is an interprime number because it is at equal distance from previous prime (100813747) and next prime (100813751).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100813749 - 2¹ = 100813747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100813747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172929 + ... + 173510.

It is an arithmetic number, because the mean of its divisors is an integer number (16975560).

Almost surely, 2^100813749 is an apocalyptic number.

It is an amenable number.

100813749 is a deficient number, since it is larger than the sum of its proper divisors (34990731).

100813749 is an equidigital number, since it uses as much as digits as its factorization.

100813749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346539.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 100813749 is about 10040.6050116514. The cubic root of 100813749 is about 465.4145130280.

The spelling of 100813749 in words is "one hundred million, eight hundred thirteen thousand, seven hundred forty-nine".