142626636541 has 2 divisors, whose sum is σ = 142626636542. Its totient is φ = 142626636540.

The previous prime is 142626636517. The next prime is 142626636623. The reversal of 142626636541 is 145636626241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89613416025 + 53013220516 = 299355^2 + 230246^2 .

It is a cyclic number.

It is not a de Polignac number, because 142626636541 - 2³¹ = 140479152893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142626636491 and 142626636500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142626636511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71313318270 + 71313318271.

It is an arithmetic number, because the mean of its divisors is an integer number (71313318271).

Almost surely, 2^142626636541 is an apocalyptic number.

It is an amenable number.

142626636541 is a deficient number, since it is larger than the sum of its proper divisors (1).

142626636541 is an equidigital number, since it uses as much as digits as its factorization.

142626636541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 46.

The spelling of 142626636541 in words is "one hundred forty-two billion, six hundred twenty-six million, six hundred thirty-six thousand, five hundred forty-one".