1532139879287 has 2 divisors, whose sum is σ = 1532139879288. Its totient is φ = 1532139879286.

The previous prime is 1532139879217. The next prime is 1532139879313. The reversal of 1532139879287 is 7829789312351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1532139879287 - 2⁸ = 1532139879031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1532139879217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766069939643 + 766069939644.

It is an arithmetic number, because the mean of its divisors is an integer number (766069939644).

Almost surely, 2^{1532139879287} is an apocalyptic number.

1532139879287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532139879287 is an equidigital number, since it uses as much as digits as its factorization.

1532139879287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 65.

The spelling of 1532139879287 in words is "one trillion, five hundred thirty-two billion, one hundred thirty-nine million, eight hundred seventy-nine thousand, two hundred eighty-seven".