1381292948 has 36 divisors (see below), whose sum is σ = 2814123060. Its totient is φ = 591518592.

The previous prime is 1381292921. The next prime is 1381292977. The reversal of 1381292948 is 8492921831.

It can be written as a sum of positive squares in 2 ways, for example, as 74615044 + 1306677904 = 8638^2 + 36148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389648 + ... + 393176.

It is an arithmetic number, because the mean of its divisors is an integer number (78170085).

Almost surely, 2^1381292948 is an apocalyptic number.

It is an amenable number.

1381292948 is an abundant number, since it is smaller than the sum of its proper divisors (1432830112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381292948 is a wasteful number, since it uses less digits than its factorization.

1381292948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544 (or 5535 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 1381292948 is about 37165.7496628280. The cubic root of 1381292948 is about 1113.6838749006.

The spelling of 1381292948 in words is "one billion, three hundred eighty-one million, two hundred ninety-two thousand, nine hundred forty-eight".