140439061504 has 165 divisors, whose sum is σ = 328887725567. Its totient is φ = 59936335872.

The previous prime is 140439061463. The next prime is 140439061549. The reversal of 140439061504 is 405160934041.

The square root of 140439061504 is 374752.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×140439061504² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 587611017 + ... + 587611255.

Almost surely, 2^140439061504 is an apocalyptic number.

140439061504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140439061504 is the 374752-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140439061504

140439061504 is an abundant number, since it is smaller than the sum of its proper divisors (188448664063).

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

140439061504 is an frugal number, since it uses more digits than its factorization.

140439061504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 140439061504 its reverse (405160934041), we get a palindrome (545599995545).

The spelling of 140439061504 in words is "one hundred forty billion, four hundred thirty-nine million, sixty-one thousand, five hundred four".