1364651540 has 48 divisors (see below), whose sum is σ = 3467826432. Its totient is φ = 440357376.

The previous prime is 1364651539. The next prime is 1364651567. The reversal of 1364651540 is 451564631.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1364651540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284312 + ... + 289071.

It is an arithmetic number, because the mean of its divisors is an integer number (72246384).

Almost surely, 2^1364651540 is an apocalyptic number.

1364651540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364651540 is an abundant number, since it is smaller than the sum of its proper divisors (2103174892).

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

1364651540 is a wasteful number, since it uses less digits than its factorization.

1364651540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573416 (or 573414 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1364651540 is about 36941.1902894317. The cubic root of 1364651540 is about 1109.1933484127.

The spelling of 1364651540 in words is "one billion, three hundred sixty-four million, six hundred fifty-one thousand, five hundred forty".