136561006354 has 8 divisors (see below), whose sum is σ = 204844022460. Its totient is φ = 68279665536.

The previous prime is 136561006313. The next prime is 136561006399. The reversal of 136561006354 is 453600165631.

It can be written as a sum of positive squares in 2 ways, for example, as 115889180625 + 20671825729 = 340425^2 + 143777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190039 + ... + 556090.

Almost surely, 2^136561006354 is an apocalyptic number.

136561006354 is a deficient number, since it is larger than the sum of its proper divisors (68283016106).

136561006354 is an equidigital number, since it uses as much as digits as its factorization.

136561006354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837644.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 136561006354 in words is "one hundred thirty-six billion, five hundred sixty-one million, six thousand, three hundred fifty-four".