1364387390 has 16 divisors (see below), whose sum is σ = 2497523760. Its totient is φ = 536504640.

The previous prime is 1364387371. The next prime is 1364387413. The reversal of 1364387390 is 937834631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155671 + ... + 1156850.

It is an arithmetic number, because the mean of its divisors is an integer number (156095235).

Almost surely, 2^1364387390 is an apocalyptic number.

1364387390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1364387390 is a deficient number, since it is larger than the sum of its proper divisors (1133136370).

1364387390 is a wasteful number, since it uses less digits than its factorization.

1364387390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312587.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 1364387390 is about 36937.6148390770. The cubic root of 1364387390 is about 1109.1217764592.

The spelling of 1364387390 in words is "one billion, three hundred sixty-four million, three hundred eighty-seven thousand, three hundred ninety".