1360689990 has 32 divisors (see below), whose sum is σ = 3562534656. Its totient is φ = 329864160.

The previous prime is 1360689971. The next prime is 1360689991. The reversal of 1360689990 is 999860631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1360689991) 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, 2061322 + ... + 2061981.

It is an arithmetic number, because the mean of its divisors is an integer number (111329208).

Almost surely, 2^1360689990 is an apocalyptic number.

1360689990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1360689990 is an abundant number, since it is smaller than the sum of its proper divisors (2201844666).

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

1360689990 is a wasteful number, since it uses less digits than its factorization.

1360689990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123324.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 1360689990 is about 36887.5316333311. The cubic root of 1360689990 is about 1108.1189877515.

The spelling of 1360689990 in words is "one billion, three hundred sixty million, six hundred eighty-nine thousand, nine hundred ninety".