126532340 has 48 divisors (see below), whose sum is σ = 290715264. Its totient is φ = 45878400.

The previous prime is 126532337. The next prime is 126532369. The reversal of 126532340 is 43235621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106550 + ... + 107730.

It is an arithmetic number, because the mean of its divisors is an integer number (6056568).

Almost surely, 2^126532340 is an apocalyptic number.

126532340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126532340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145357632).

126532340 is an abundant number, since it is smaller than the sum of its proper divisors (164182924).

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

126532340 is a wasteful number, since it uses less digits than its factorization.

126532340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 126532340 is about 11248.6594756886. The cubic root of 126532340 is about 502.0348277186.

Adding to 126532340 its reverse (43235621), we get a palindrome (169767961).

The spelling of 126532340 in words is "one hundred twenty-six million, five hundred thirty-two thousand, three hundred forty".