200136278387 has 2 divisors, whose sum is σ = 200136278388. Its totient is φ = 200136278386.

The previous prime is 200136278359. The next prime is 200136278413. The reversal of 200136278387 is 783872631002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200136278387 - 2¹⁴ = 200136262003 is a prime.

It is not a weakly prime, because it can be changed into another prime (200136278317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100068139193 + 100068139194.

It is an arithmetic number, because the mean of its divisors is an integer number (100068139194).

Almost surely, 2^200136278387 is an apocalyptic number.

200136278387 is a deficient number, since it is larger than the sum of its proper divisors (1).

200136278387 is an equidigital number, since it uses as much as digits as its factorization.

200136278387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 200136278387 in words is "two hundred billion, one hundred thirty-six million, two hundred seventy-eight thousand, three hundred eighty-seven".