1361400573 has 8 divisors (see below), whose sum is σ = 1954831648. Its totient is φ = 837784944.

The previous prime is 1361400553. The next prime is 1361400589. The reversal of 1361400573 is 3750041631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361400573 - 2⁵ = 1361400541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361400573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361400553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17453815 + ... + 17453892.

It is an arithmetic number, because the mean of its divisors is an integer number (244353956).

Almost surely, 2^1361400573 is an apocalyptic number.

1361400573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1361400573 is a deficient number, since it is larger than the sum of its proper divisors (593431075).

1361400573 is a wasteful number, since it uses less digits than its factorization.

1361400573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34907723.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1361400573 is about 36897.1621266460. The cubic root of 1361400573 is about 1108.3118490920.

The spelling of 1361400573 in words is "one billion, three hundred sixty-one million, four hundred thousand, five hundred seventy-three".