136531402005057 has 4 divisors (see below), whose sum is σ = 182041869340080. Its totient is φ = 91020934670036.

The previous prime is 136531402004989. The next prime is 136531402005091. The reversal of 136531402005057 is 750500204135631.

136531402005057 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136531402005057 - 2¹⁶ = 136531401939521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136531402705057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22755233667507 + ... + 22755233667512.

It is an arithmetic number, because the mean of its divisors is an integer number (45510467335020).

Almost surely, 2^{136531402005057} is an apocalyptic number.

It is an amenable number.

136531402005057 is a deficient number, since it is larger than the sum of its proper divisors (45510467335023).

136531402005057 is an equidigital number, since it uses as much as digits as its factorization.

136531402005057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45510467335022.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 136531402005057 in words is "one hundred thirty-six trillion, five hundred thirty-one billion, four hundred two million, five thousand, fifty-seven".