1378104652 has 6 divisors (see below), whose sum is σ = 2411683148. Its totient is φ = 689052324.

The previous prime is 1378104649. The next prime is 1378104653. The reversal of 1378104652 is 2564018731.

It is a super-2 number, since 2×1378104652² = 3798344863728082208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1378104653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172263078 + ... + 172263085.

Almost surely, 2^1378104652 is an apocalyptic number.

It is an amenable number.

1378104652 is a deficient number, since it is larger than the sum of its proper divisors (1033578496).

1378104652 is a wasteful number, since it uses less digits than its factorization.

1378104652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344526167 (or 344526165 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1378104652 is about 37122.8319501624. The cubic root of 1378104652 is about 1112.8263475857.

It can be divided in two parts, 1378 and 104652, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 1378104652 in words is "one billion, three hundred seventy-eight million, one hundred four thousand, six hundred fifty-two".