1378460233 has 8 divisors (see below), whose sum is σ = 1391697800. Its totient is φ = 1365285888.

The previous prime is 1378460231. The next prime is 1378460267. The reversal of 1378460233 is 3320648731.

It can be written as a sum of positive squares in 4 ways, for example, as 100540729 + 1277919504 = 10027^2 + 35748^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1378460233 - 2¹ = 1378460231 is a prime.

It is a super-2 number, since 2×1378460233² = 3800305227924828578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1378460192 and 1378460201.

It is not an unprimeable number, because it can be changed into a prime (1378460231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28603 + ... + 59791.

It is an arithmetic number, because the mean of its divisors is an integer number (173962225).

Almost surely, 2^1378460233 is an apocalyptic number.

It is an amenable number.

1378460233 is a deficient number, since it is larger than the sum of its proper divisors (13237567).

1378460233 is a wasteful number, since it uses less digits than its factorization.

1378460233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1378460233 is about 37127.6208906523. The cubic root of 1378460233 is about 1112.9220504959.

The spelling of 1378460233 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, two hundred thirty-three".