140552323425 has 36 divisors (see below), whose sum is σ = 254340175180. Its totient is φ = 74188431360.

The previous prime is 140552323411. The next prime is 140552323441. The reversal of 140552323425 is 524323255041.

140552323425 is a `hidden beast` number, since 1 + 40 + 552 + 3 + 23 + 42 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 5637156561 + 134915166864 = 75081^2 + 367308^2 .

It is not a de Polignac number, because 140552323425 - 2¹⁰ = 140552322401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140552323425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3198160 + ... + 3241809.

Almost surely, 2^140552323425 is an apocalyptic number.

140552323425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140552323425 is a deficient number, since it is larger than the sum of its proper divisors (113787851755).

140552323425 is a wasteful number, since it uses less digits than its factorization.

140552323425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440082 (or 6440074 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 140552323425 its reverse (524323255041), we get a palindrome (664875578466).

The spelling of 140552323425 in words is "one hundred forty billion, five hundred fifty-two million, three hundred twenty-three thousand, four hundred twenty-five".