142400433013 has 4 divisors (see below), whose sum is σ = 145873614348. Its totient is φ = 138927251680.

The previous prime is 142400432983. The next prime is 142400433053. The reversal of 142400433013 is 310334004241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310334004241 = 335641 ⋅924601.

It can be written as a sum of positive squares in 2 ways, for example, as 64443884164 + 77956548849 = 253858^2 + 279207^2 .

It is a cyclic number.

It is not a de Polignac number, because 142400433013 - 2¹⁷ = 142400301941 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 (142400433053) 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, 1736590606 + ... + 1736590687.

It is an arithmetic number, because the mean of its divisors is an integer number (36468403587).

Almost surely, 2^142400433013 is an apocalyptic number.

It is an amenable number.

142400433013 is a deficient number, since it is larger than the sum of its proper divisors (3473181335).

142400433013 is an equidigital number, since it uses as much as digits as its factorization.

142400433013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473181334.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142400433013 its reverse (310334004241), we get a palindrome (452734437254).

The spelling of 142400433013 in words is "one hundred forty-two billion, four hundred million, four hundred thirty-three thousand, thirteen".