126539616 has 48 divisors (see below), whose sum is σ = 379620864. Its totient is φ = 36153984.

The previous prime is 126539603. The next prime is 126539641. The reversal of 126539616 is 616935621.

It is a tau number, because it is divible by the number of its divisors (48).

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, 93480 + ... + 94823.

It is an arithmetic number, because the mean of its divisors is an integer number (7908768).

Almost surely, 2^126539616 is an apocalyptic number.

126539616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126539616 is an abundant number, since it is smaller than the sum of its proper divisors (253081248).

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

126539616 is a wasteful number, since it uses less digits than its factorization.

126539616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188323 (or 188315 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 126539616 is about 11248.9828873547. The cubic root of 126539616 is about 502.0444503848.

The spelling of 126539616 in words is "one hundred twenty-six million, five hundred thirty-nine thousand, six hundred sixteen".