106139724 has 48 divisors (see below), whose sum is σ = 254166528. Its totient is φ = 34458048.

The previous prime is 106139723. The next prime is 106139729. The reversal of 106139724 is 427931601.

It is a super-2 number, since 2×106139724² = 22531282021592352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106139723) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 172842 + ... + 173454.

It is an arithmetic number, because the mean of its divisors is an integer number (5295136).

Almost surely, 2^106139724 is an apocalyptic number.

It is an amenable number.

106139724 is an abundant number, since it is smaller than the sum of its proper divisors (148026804).

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

106139724 is a wasteful number, since it uses less digits than its factorization.

106139724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 106139724 is about 10302.4135036408. The cubic root of 106139724 is about 473.4702015534.

The spelling of 106139724 in words is "one hundred six million, one hundred thirty-nine thousand, seven hundred twenty-four".