140968485190225 has 81 divisors (see below), whose sum is σ = 223513030657371. Its totient is φ = 87873608776800.

The previous prime is 140968485190199. The next prime is 140968485190297. The reversal of 140968485190225 is 522091584869041.

The square root of 140968485190225 is 11873015.

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

It can be written as a sum of positive squares in only one way, i.e., 50748654668481 + 90219830521744 = 7123809^2 + 9498412^2 .

It is not a de Polignac number, because 140968485190225 - 2⁷ = 140968485190097 is a prime.

It is a super-2 number, since 2×140968485190225² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4571095356 + ... + 4571126194.

Almost surely, 2^{140968485190225} is an apocalyptic number.

140968485190225 is the 11873015-th square number.

140968485190225 is the 5936508-th centered octagonal number.

It is an amenable number.

140968485190225 is a deficient number, since it is larger than the sum of its proper divisors (82544545467146).

140968485190225 is an frugal number, since it uses more digits than its factorization.

140968485190225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61724 (or 30862 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 140968485190225 in words is "one hundred forty trillion, nine hundred sixty-eight billion, four hundred eighty-five million, one hundred ninety thousand, two hundred twenty-five".