126535536 has 30 divisors (see below), whose sum is σ = 354124160. Its totient is φ = 42178464.

The previous prime is 126535511. The next prime is 126535537. The reversal of 126535536 is 635535621.

It is a super-2 number, since 2×126535536² = 32022483741614592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 126535536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126535537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439216 + ... + 439503.

Almost surely, 2^126535536 is an apocalyptic number.

126535536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126535536 is an abundant number, since it is smaller than the sum of its proper divisors (227588624).

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

126535536 is a wasteful number, since it uses less digits than its factorization.

126535536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878733 (or 878724 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 126535536 is about 11248.8015361638. The cubic root of 126535536 is about 502.0390545427.

The spelling of 126535536 in words is "one hundred twenty-six million, five hundred thirty-five thousand, five hundred thirty-six".