140264232645 has 16 divisors (see below), whose sum is σ = 229896499392. Its totient is φ = 72983015040.

The previous prime is 140264232617. The next prime is 140264232697. The reversal of 140264232645 is 546232462041.

It is a happy number.

It is not a de Polignac number, because 140264232645 - 2¹² = 140264228549 is a prime.

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, 114035347 + ... + 114036576.

It is an arithmetic number, because the mean of its divisors is an integer number (14368531212).

Almost surely, 2^140264232645 is an apocalyptic number.

140264232645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140264232645 is a deficient number, since it is larger than the sum of its proper divisors (89632266747).

140264232645 is a wasteful number, since it uses less digits than its factorization.

140264232645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228071972.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 140264232645 its reverse (546232462041), we get a palindrome (686496694686).

The spelling of 140264232645 in words is "one hundred forty billion, two hundred sixty-four million, two hundred thirty-two thousand, six hundred forty-five".