126139548 has 24 divisors (see below), whose sum is σ = 295505280. Its totient is φ = 41878000.

The previous prime is 126139529. The next prime is 126139553. The reversal of 126139548 is 845931621.

It is a super-2 number, since 2×126139548² = 31822371139288608, which contains 22 as substring.

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, 17928 + ... + 23951.

It is an arithmetic number, because the mean of its divisors is an integer number (12312720).

Almost surely, 2^126139548 is an apocalyptic number.

It is an amenable number.

126139548 is an abundant number, since it is smaller than the sum of its proper divisors (169365732).

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

126139548 is a wasteful number, since it uses less digits than its factorization.

126139548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42137 (or 42135 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 126139548 is about 11231.1864021572. The cubic root of 126139548 is about 501.5148034399.

The spelling of 126139548 in words is "one hundred twenty-six million, one hundred thirty-nine thousand, five hundred forty-eight".