100739481 has 4 divisors (see below), whose sum is σ = 134319312. Its totient is φ = 67159652.

The previous prime is 100739479. The next prime is 100739531. The reversal of 100739481 is 184937001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184937001 = 3 ⋅61645667.

It is a cyclic number.

It is not a de Polignac number, because 100739481 - 2¹ = 100739479 is a prime.

It is a super-2 number, since 2×100739481² = 20296886064298722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100739461) 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, 16789911 + ... + 16789916.

It is an arithmetic number, because the mean of its divisors is an integer number (33579828).

Almost surely, 2^100739481 is an apocalyptic number.

It is an amenable number.

100739481 is a deficient number, since it is larger than the sum of its proper divisors (33579831).

100739481 is an equidigital number, since it uses as much as digits as its factorization.

100739481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33579830.

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

The square root of 100739481 is about 10036.9059475518. The cubic root of 100739481 is about 465.3001969523.

The spelling of 100739481 in words is "one hundred million, seven hundred thirty-nine thousand, four hundred eighty-one".