106139420 has 24 divisors (see below), whose sum is σ = 230580000. Its totient is φ = 40991552.

The previous prime is 106139419. The next prime is 106139441. The reversal of 106139420 is 24931601.

It is a super-2 number, since 2×106139420² = 22531152955872800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106139420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90920 + ... + 92079.

It is an arithmetic number, because the mean of its divisors is an integer number (9607500).

Almost surely, 2^106139420 is an apocalyptic number.

106139420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106139420 is an abundant number, since it is smaller than the sum of its proper divisors (124440580).

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

106139420 is a wasteful number, since it uses less digits than its factorization.

106139420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183037 (or 183035 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 106139420 is about 10302.3987498058. The cubic root of 106139420 is about 473.4697495232.

The spelling of 106139420 in words is "one hundred six million, one hundred thirty-nine thousand, four hundred twenty".