1406372136541 has 2 divisors, whose sum is σ = 1406372136542. Its totient is φ = 1406372136540.

The previous prime is 1406372136493. The next prime is 1406372136569. The reversal of 1406372136541 is 1456312736041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206106936441 + 200265200100 = 1098229^2 + 447510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406372136541 - 2³⁵ = 1372012398173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406372136241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703186068270 + 703186068271.

It is an arithmetic number, because the mean of its divisors is an integer number (703186068271).

Almost surely, 2^{1406372136541} is an apocalyptic number.

It is an amenable number.

1406372136541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406372136541 is an equidigital number, since it uses as much as digits as its factorization.

1406372136541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1406372136541 in words is "one trillion, four hundred six billion, three hundred seventy-two million, one hundred thirty-six thousand, five hundred forty-one".