140240031113421 has 16 divisors (see below), whose sum is σ = 207807622300800. Its totient is φ = 93473278115904.

The previous prime is 140240031113407. The next prime is 140240031113449. The reversal of 140240031113421 is 124311130042041.

It is a happy number.

140240031113421 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 4 + 0 + 0 + 311 + 1 + 342 + 1 = 666.

It is not a de Polignac number, because 140240031113421 - 2¹¹ = 140240031111373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140240031113491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557537481 + ... + 557788958.

It is an arithmetic number, because the mean of its divisors is an integer number (12987976393800).

Almost surely, 2^{140240031113421} is an apocalyptic number.

It is an amenable number.

140240031113421 is a deficient number, since it is larger than the sum of its proper divisors (67567591187379).

140240031113421 is a wasteful number, since it uses less digits than its factorization.

140240031113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115331105 (or 1115331099 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 140240031113421 its reverse (124311130042041), we get a palindrome (264551161155462).

The spelling of 140240031113421 in words is "one hundred forty trillion, two hundred forty billion, thirty-one million, one hundred thirteen thousand, four hundred twenty-one".