140405325615165 has 48 divisors (see below), whose sum is σ = 243260620873920. Its totient is φ = 69122007152640.

The previous prime is 140405325615157. The next prime is 140405325615197. The reversal of 140405325615165 is 561516523504041.

It is not a de Polignac number, because 140405325615165 - 2³ = 140405325615157 is a prime.

It is a super-2 number, since 2×140405325615165² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440243610 + ... + 440562420.

It is an arithmetic number, because the mean of its divisors is an integer number (5067929601540).

Almost surely, 2^{140405325615165} is an apocalyptic number.

140405325615165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140405325615165 is a deficient number, since it is larger than the sum of its proper divisors (102855295258755).

140405325615165 is a wasteful number, since it uses less digits than its factorization.

140405325615165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492574 (or 492561 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 140405325615165 in words is "one hundred forty trillion, four hundred five billion, three hundred twenty-five million, six hundred fifteen thousand, one hundred sixty-five".