140275731464 has 32 divisors (see below), whose sum is σ = 293925875040. Its totient is φ = 62206531200.

The previous prime is 140275731461. The next prime is 140275731469. The reversal of 140275731464 is 464137572041.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (140275731461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19435934 + ... + 19443149.

It is an arithmetic number, because the mean of its divisors is an integer number (9185183595).

Almost surely, 2^140275731464 is an apocalyptic number.

It is an amenable number.

140275731464 is an abundant number, since it is smaller than the sum of its proper divisors (153650143576).

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

140275731464 is a wasteful number, since it uses less digits than its factorization.

140275731464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38879141 (or 38879137 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 140275731464 in words is "one hundred forty billion, two hundred seventy-five million, seven hundred thirty-one thousand, four hundred sixty-four".