140525352231 has 8 divisors (see below), whose sum is σ = 204400512384. Its totient is φ = 85166880120.

The previous prime is 140525352193. The next prime is 140525352259. The reversal of 140525352231 is 132253525041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140525352231 - 2⁷ = 140525352103 is a prime.

It is a super-2 number, since 2×140525352231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4258344007 = 140525352231 / (1 + 4 + 0 + 5 + 2 + 5 + 3 + 5 + 2 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 140525352192 and 140525352201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140525352271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129171971 + ... + 2129172036.

It is an arithmetic number, because the mean of its divisors is an integer number (25550064048).

Almost surely, 2^140525352231 is an apocalyptic number.

140525352231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140525352231 is a deficient number, since it is larger than the sum of its proper divisors (63875160153).

140525352231 is a wasteful number, since it uses less digits than its factorization.

140525352231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258344021.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 140525352231 its reverse (132253525041), we get a palindrome (272778877272).

The spelling of 140525352231 in words is "one hundred forty billion, five hundred twenty-five million, three hundred fifty-two thousand, two hundred thirty-one".