1378700530 has 16 divisors (see below), whose sum is σ = 2495375064. Its totient is φ = 548432640.

The previous prime is 1378700503. The next prime is 1378700537. The reversal of 1378700530 is 350078731.

It can be written as a sum of positive squares in 4 ways, for example, as 313396209 + 1065304321 = 17703^2 + 32639^2 .

It is not an unprimeable number, because it can be changed into a prime (1378700537) 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, 379047 + ... + 382666.

Almost surely, 2^1378700530 is an apocalyptic number.

1378700530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1378700530 is a deficient number, since it is larger than the sum of its proper divisors (1116674534).

1378700530 is a wasteful number, since it uses less digits than its factorization.

1378700530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761901.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1378700530 is about 37130.8568444091. The cubic root of 1378700530 is about 1112.9867159551.

The spelling of 1378700530 in words is "one billion, three hundred seventy-eight million, seven hundred thousand, five hundred thirty".