120140435131 has 8 divisors (see below), whose sum is σ = 120307890560. Its totient is φ = 119973089088.

The previous prime is 120140435111. The next prime is 120140435147. The reversal of 120140435131 is 131534041021.

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 120140435131 - 2¹⁵ = 120140402363 is a prime.

It is a super-2 number, since 2×120140435131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120140435096 and 120140435105.

It is not an unprimeable number, because it can be changed into a prime (120140435111) 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, 2307670 + ... + 2359156.

It is an arithmetic number, because the mean of its divisors is an integer number (15038486320).

Almost surely, 2^120140435131 is an apocalyptic number.

120140435131 is a deficient number, since it is larger than the sum of its proper divisors (167455429).

120140435131 is a wasteful number, since it uses less digits than its factorization.

120140435131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54693.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 120140435131 its reverse (131534041021), we get a palindrome (251674476152).

The spelling of 120140435131 in words is "one hundred twenty billion, one hundred forty million, four hundred thirty-five thousand, one hundred thirty-one".