126540316 has 24 divisors (see below), whose sum is σ = 267968736. Its totient is φ = 51041280.

The previous prime is 126540301. The next prime is 126540329. The reversal of 126540316 is 613045621.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 132445 + ... + 133396.

It is an arithmetic number, because the mean of its divisors is an integer number (11165364).

Almost surely, 2^126540316 is an apocalyptic number.

It is an amenable number.

126540316 is an abundant number, since it is smaller than the sum of its proper divisors (141428420).

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

126540316 is a wasteful number, since it uses less digits than its factorization.

126540316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265869 (or 265867 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 126540316 is about 11249.0140012358. The cubic root of 126540316 is about 502.0453761304.

Adding to 126540316 its reverse (613045621), we get a palindrome (739585937).

The spelling of 126540316 in words is "one hundred twenty-six million, five hundred forty thousand, three hundred sixteen".