1356661460 has 48 divisors (see below), whose sum is σ = 3551990400. Its totient is φ = 422855040.

The previous prime is 1356661457. The next prime is 1356661469. The reversal of 1356661460 is 641666531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356661469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438935 + ... + 442014.

It is an arithmetic number, because the mean of its divisors is an integer number (73999800).

Almost surely, 2^1356661460 is an apocalyptic number.

1356661460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356661460 is an abundant number, since it is smaller than the sum of its proper divisors (2195328940).

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

1356661460 is a wasteful number, since it uses less digits than its factorization.

1356661460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880976 (or 880974 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1356661460 is about 36832.8855779723. The cubic root of 1356661460 is about 1107.0243217072.

The spelling of 1356661460 in words is "one billion, three hundred fifty-six million, six hundred sixty-one thousand, four hundred sixty".