126735613 has 8 divisors (see below), whose sum is σ = 129748640. Its totient is φ = 123752880.

The previous prime is 126735571. The next prime is 126735647. The reversal of 126735613 is 316537621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126735613 - 2¹³ = 126727421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126735683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 15952.

It is an arithmetic number, because the mean of its divisors is an integer number (16218580).

Almost surely, 2^126735613 is an apocalyptic number.

It is an amenable number.

126735613 is a deficient number, since it is larger than the sum of its proper divisors (3013027).

126735613 is a wasteful number, since it uses less digits than its factorization.

126735613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147.

The product of its digits is 22680, while the sum is 34.

The square root of 126735613 is about 11257.6912819636. The cubic root of 126735613 is about 502.3035219427.

The spelling of 126735613 in words is "one hundred twenty-six million, seven hundred thirty-five thousand, six hundred thirteen".