353606840138 has 4 divisors (see below), whose sum is σ = 530410260210. Its totient is φ = 176803420068.

The previous prime is 353606840087. The next prime is 353606840149. The reversal of 353606840138 is 831048606353.

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., 219795005329 + 133811834809 = 468823^2 + 365803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 353606840092 and 353606840101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88401710033 + ... + 88401710036.

Almost surely, 2^353606840138 is an apocalyptic number.

353606840138 is a deficient number, since it is larger than the sum of its proper divisors (176803420072).

353606840138 is a wasteful number, since it uses less digits than its factorization.

353606840138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176803420071.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 353606840138 in words is "three hundred fifty-three billion, six hundred six million, eight hundred forty thousand, one hundred thirty-eight".