140420400133 has 4 divisors (see below), whose sum is σ = 151221969388. Its totient is φ = 129618830880.

The previous prime is 140420400077. The next prime is 140420400161. The reversal of 140420400133 is 331004024041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331004024041 = 34369 ⋅9630889.

It can be written as a sum of positive squares in 2 ways, for example, as 86908219204 + 53512180929 = 294802^2 + 231327^2 .

It is a cyclic number.

It is not a de Polignac number, because 140420400133 - 2¹⁷ = 140420269061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420403133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400784608 + ... + 5400784633.

It is an arithmetic number, because the mean of its divisors is an integer number (37805492347).

Almost surely, 2^140420400133 is an apocalyptic number.

140420400133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140420400133 is a deficient number, since it is larger than the sum of its proper divisors (10801569255).

140420400133 is a wasteful number, since it uses less digits than its factorization.

140420400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801569254.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 140420400133 its reverse (331004024041), we get a palindrome (471424424174).

The spelling of 140420400133 in words is "one hundred forty billion, four hundred twenty million, four hundred thousand, one hundred thirty-three".