1468540931 has 8 divisors (see below), whose sum is σ = 1725279024. Its totient is φ = 1232341920.

The previous prime is 1468540921. The next prime is 1468540939. The reversal of 1468540931 is 1390458641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1468540931 is a prime.

It is a super-2 number, since 2×1468540931² = 4313224932044693522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1468540939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5134616 + ... + 5134901.

It is an arithmetic number, because the mean of its divisors is an integer number (215659878).

Almost surely, 2^1468540931 is an apocalyptic number.

1468540931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1468540931 is a deficient number, since it is larger than the sum of its proper divisors (256738093).

1468540931 is a wasteful number, since it uses less digits than its factorization.

1468540931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269541.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1468540931 is about 38321.5465632586. The cubic root of 1468540931 is about 1136.6550484943.

The spelling of 1468540931 in words is "one billion, four hundred sixty-eight million, five hundred forty thousand, nine hundred thirty-one".