1381050764 has 12 divisors (see below), whose sum is σ = 2417155104. Its totient is φ = 690435024.

The previous prime is 1381050761. The next prime is 1381050767. The reversal of 1381050764 is 4670501831.

It is an interprime number because it is at equal distance from previous prime (1381050761) and next prime (1381050767).

It is not an unprimeable number, because it can be changed into a prime (1381050761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21254 + ... + 56690.

It is an arithmetic number, because the mean of its divisors is an integer number (201429592).

Almost surely, 2^1381050764 is an apocalyptic number.

It is an amenable number.

1381050764 is a deficient number, since it is larger than the sum of its proper divisors (1036104340).

1381050764 is a wasteful number, since it uses less digits than its factorization.

1381050764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45184 (or 45182 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1381050764 is about 37162.4913588957. The cubic root of 1381050764 is about 1113.6187831857.

The spelling of 1381050764 in words is "one billion, three hundred eighty-one million, fifty thousand, seven hundred sixty-four".