1387164853274 has 4 divisors (see below), whose sum is σ = 2080747279914. Its totient is φ = 693582426636.

The previous prime is 1387164853219. The next prime is 1387164853307. The reversal of 1387164853274 is 4723584617831.

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., 1307722612249 + 79442241025 = 1143557^2 + 281855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346791213317 + ... + 346791213320.

Almost surely, 2^{1387164853274} is an apocalyptic number.

1387164853274 is a deficient number, since it is larger than the sum of its proper divisors (693582426640).

1387164853274 is an equidigital number, since it uses as much as digits as its factorization.

1387164853274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693582426639.

The product of its digits is 27095040, while the sum is 59.

The spelling of 1387164853274 in words is "one trillion, three hundred eighty-seven billion, one hundred sixty-four million, eight hundred fifty-three thousand, two hundred seventy-four".