213738177274 has 8 divisors (see below), whose sum is σ = 320611423860. Its totient is φ = 106867702656.

The previous prime is 213738177259. The next prime is 213738177287. The reversal of 213738177274 is 472771837312.

It can be written as a sum of positive squares in 2 ways, for example, as 201145971049 + 12592206225 = 448493^2 + 112215^2 .

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, 488109 + ... + 815920.

Almost surely, 2^213738177274 is an apocalyptic number.

213738177274 is a deficient number, since it is larger than the sum of its proper divisors (106873246586).

213738177274 is a wasteful number, since it uses less digits than its factorization.

213738177274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385984.

The product of its digits is 2765952, while the sum is 52.

The spelling of 213738177274 in words is "two hundred thirteen billion, seven hundred thirty-eight million, one hundred seventy-seven thousand, two hundred seventy-four".