139933265453 has 2 divisors, whose sum is σ = 139933265454. Its totient is φ = 139933265452.

The previous prime is 139933265443. The next prime is 139933265491. The reversal of 139933265453 is 354562339931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114133838569 + 25799426884 = 337837^2 + 160622^2 .

It is a cyclic number.

It is not a de Polignac number, because 139933265453 - 2²⁰ = 139932216877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139933265395 and 139933265404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139933265443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69966632726 + 69966632727.

It is an arithmetic number, because the mean of its divisors is an integer number (69966632727).

Almost surely, 2^139933265453 is an apocalyptic number.

It is an amenable number.

139933265453 is a deficient number, since it is larger than the sum of its proper divisors (1).

139933265453 is an equidigital number, since it uses as much as digits as its factorization.

139933265453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7873200, while the sum is 53.

The spelling of 139933265453 in words is "one hundred thirty-nine billion, nine hundred thirty-three million, two hundred sixty-five thousand, four hundred fifty-three".