136877569250434 has 4 divisors (see below), whose sum is σ = 205316353875654. Its totient is φ = 68438784625216.

The previous prime is 136877569250417. The next prime is 136877569250447. The reversal of 136877569250434 is 434052965778631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125202739496409 + 11674829754025 = 11189403^2 + 3416845^2 .

It is an unprimeable number.

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, 34219392312607 + ... + 34219392312610.

It is a 1-persistent number, because it is pandigital, but 2⋅136877569250434 = 273755138500868 is not.

Almost surely, 2^{136877569250434} is an apocalyptic number.

136877569250434 is a deficient number, since it is larger than the sum of its proper divisors (68438784625220).

136877569250434 is an equidigital number, since it uses as much as digits as its factorization.

136877569250434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68438784625219.

The product of its (nonzero) digits is 914457600, while the sum is 70.

The spelling of 136877569250434 in words is "one hundred thirty-six trillion, eight hundred seventy-seven billion, five hundred sixty-nine million, two hundred fifty thousand, four hundred thirty-four".