134211232647389 has 2 divisors, whose sum is σ = 134211232647390. Its totient is φ = 134211232647388.

The previous prime is 134211232647383. The next prime is 134211232647409. The reversal of 134211232647389 is 983746232112431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78183881887225 + 56027350760164 = 8842165^2 + 7485142^2 .

It is a cyclic number.

It is not a de Polignac number, because 134211232647389 - 2⁸ = 134211232647133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134211232647383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67105616323694 + 67105616323695.

It is an arithmetic number, because the mean of its divisors is an integer number (67105616323695).

Almost surely, 2^{134211232647389} is an apocalyptic number.

It is an amenable number.

134211232647389 is a deficient number, since it is larger than the sum of its proper divisors (1).

134211232647389 is an equidigital number, since it uses as much as digits as its factorization.

134211232647389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The spelling of 134211232647389 in words is "one hundred thirty-four trillion, two hundred eleven billion, two hundred thirty-two million, six hundred forty-seven thousand, three hundred eighty-nine".