1371727741 has 2 divisors, whose sum is σ = 1371727742. Its totient is φ = 1371727740.

The previous prime is 1371727733. The next prime is 1371727771. The reversal of 1371727741 is 1477271731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357627716 + 14100025 = 36846^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371727741 - 2³ = 1371727733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1371727694 and 1371727703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371727771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685863870 + 685863871.

It is an arithmetic number, because the mean of its divisors is an integer number (685863871).

Almost surely, 2^1371727741 is an apocalyptic number.

It is an amenable number.

1371727741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371727741 is an equidigital number, since it uses as much as digits as its factorization.

1371727741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57624, while the sum is 40.

The square root of 1371727741 is about 37036.8430215104. The cubic root of 1371727741 is about 1111.1072307972.

The spelling of 1371727741 in words is "one billion, three hundred seventy-one million, seven hundred twenty-seven thousand, seven hundred forty-one".