140452131004 has 48 divisors (see below), whose sum is σ = 255139315200. Its totient is φ = 67605422976.

The previous prime is 140452130977. The next prime is 140452131067. The reversal of 140452131004 is 400131254041.

It is a super-2 number, since 2×140452131004² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140452131004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7967352 + ... + 7984960.

It is an arithmetic number, because the mean of its divisors is an integer number (5315402400).

Almost surely, 2^140452131004 is an apocalyptic number.

It is an amenable number.

140452131004 is a deficient number, since it is larger than the sum of its proper divisors (114687184196).

140452131004 is a wasteful number, since it uses less digits than its factorization.

140452131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18322 (or 18320 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 140452131004 its reverse (400131254041), we get a palindrome (540583385045).

The spelling of 140452131004 in words is "one hundred forty billion, four hundred fifty-two million, one hundred thirty-one thousand, four".