124140135513 has 8 divisors (see below), whose sum is σ = 169041886848. Its totient is φ = 80999237264.

The previous prime is 124140135461. The next prime is 124140135533. The reversal of 124140135513 is 315531041421.

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 124140135513 - 2⁹ = 124140135001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124140135533) 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, 440213106 + ... + 440213387.

It is an arithmetic number, because the mean of its divisors is an integer number (21130235856).

Almost surely, 2^124140135513 is an apocalyptic number.

It is an amenable number.

124140135513 is a deficient number, since it is larger than the sum of its proper divisors (44901751335).

124140135513 is an equidigital number, since it uses as much as digits as its factorization.

124140135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880426543.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 124140135513 its reverse (315531041421), we get a palindrome (439671176934).

The spelling of 124140135513 in words is "one hundred twenty-four billion, one hundred forty million, one hundred thirty-five thousand, five hundred thirteen".