1390089060 has 48 divisors (see below), whose sum is σ = 4324723200. Its totient is φ = 370690272.

The previous prime is 1390089059. The next prime is 1390089067. The reversal of 1390089060 is 609800931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1390089067) 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, 1286580 + ... + 1287659.

It is an arithmetic number, because the mean of its divisors is an integer number (90098400).

Almost surely, 2^1390089060 is an apocalyptic number.

1390089060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390089060 is an abundant number, since it is smaller than the sum of its proper divisors (2934634140).

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

1390089060 is a wasteful number, since it uses less digits than its factorization.

1390089060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574257 (or 2574249 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1390089060 is about 37283.8981331083. The cubic root of 1390089060 is about 1116.0428645809.

Adding to 1390089060 its reverse (609800931), we get a palindrome (1999889991).

The spelling of 1390089060 in words is "one billion, three hundred ninety million, eighty-nine thousand, sixty".