126342536 has 8 divisors (see below), whose sum is σ = 236892270. Its totient is φ = 63171264.

The previous prime is 126342527. The next prime is 126342547. The reversal of 126342536 is 635243621.

It can be written as a sum of positive squares in only one way, i.e., 123432100 + 2910436 = 11110^2 + 1706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×126342536² = 31924872805822592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7896401 + ... + 7896416.

Almost surely, 2^126342536 is an apocalyptic number.

It is an amenable number.

126342536 is a deficient number, since it is larger than the sum of its proper divisors (110549734).

126342536 is a wasteful number, since it uses less digits than its factorization.

126342536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792823 (or 15792819 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 126342536 is about 11240.2195708091. The cubic root of 126342536 is about 501.7836774233.

The spelling of 126342536 in words is "one hundred twenty-six million, three hundred forty-two thousand, five hundred thirty-six".