1380197948 has 12 divisors (see below), whose sum is σ = 2415905520. Its totient is φ = 689939232.

The previous prime is 1380197879. The next prime is 1380197969. The reversal of 1380197948 is 8497910831.

It is a junction number, because it is equal to n+sod(n) for n = 1380197896 and 1380197905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19313 + ... + 55976.

It is an arithmetic number, because the mean of its divisors is an integer number (201325460).

Almost surely, 2^1380197948 is an apocalyptic number.

It is an amenable number.

1380197948 is a deficient number, since it is larger than the sum of its proper divisors (1035707572).

1380197948 is a wasteful number, since it uses less digits than its factorization.

1380197948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79876 (or 79874 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 1380197948 is about 37151.0154369971. The cubic root of 1380197948 is about 1113.3895115098.

The spelling of 1380197948 in words is "one billion, three hundred eighty million, one hundred ninety-seven thousand, nine hundred forty-eight".