1378057703 has 16 divisors (see below), whose sum is σ = 1520902656. Its totient is φ = 1238190240.

The previous prime is 1378057697. The next prime is 1378057721. The reversal of 1378057703 is 3077508731.

It is a cyclic number.

It is not a de Polignac number, because 1378057703 - 2²⁶ = 1310948839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378057103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841001 + ... + 842637.

It is an arithmetic number, because the mean of its divisors is an integer number (95056416).

Almost surely, 2^1378057703 is an apocalyptic number.

1378057703 is a deficient number, since it is larger than the sum of its proper divisors (142844953).

1378057703 is a wasteful number, since it uses less digits than its factorization.

1378057703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 1378057703 is about 37122.1995980842. The cubic root of 1378057703 is about 1112.8137102587.

The spelling of 1378057703 in words is "one billion, three hundred seventy-eight million, fifty-seven thousand, seven hundred three".