1366915948 has 24 divisors (see below), whose sum is σ = 2437666560. Its totient is φ = 670538880.

The previous prime is 1366915943. The next prime is 1366915969. The reversal of 1366915948 is 8495196631.

It is a junction number, because it is equal to n+sod(n) for n = 1366915895 and 1366915904.

It is not an unprimeable number, because it can be changed into a prime (1366915943) 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, 43518 + ... + 68026.

It is an arithmetic number, because the mean of its divisors is an integer number (101569440).

Almost surely, 2^1366915948 is an apocalyptic number.

It is an amenable number.

1366915948 is a deficient number, since it is larger than the sum of its proper divisors (1070750612).

1366915948 is a wasteful number, since it uses less digits than its factorization.

1366915948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24777 (or 24775 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 1366915948 is about 36971.8264087670. The cubic root of 1366915948 is about 1109.8065155276.

The spelling of 1366915948 in words is "one billion, three hundred sixty-six million, nine hundred fifteen thousand, nine hundred forty-eight".