1364157040 has 20 divisors (see below), whose sum is σ = 3171665304. Its totient is φ = 545662784.

The previous prime is 1364157001. The next prime is 1364157049. The reversal of 1364157040 is 407514631.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1364156993 and 1364157011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364157049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8525902 + ... + 8526061.

Almost surely, 2^1364157040 is an apocalyptic number.

1364157040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364157040 is an abundant number, since it is smaller than the sum of its proper divisors (1807508264).

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

1364157040 is a wasteful number, since it uses less digits than its factorization.

1364157040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17051976 (or 17051970 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1364157040 is about 36934.4966122458. The cubic root of 1364157040 is about 1109.0593551405.

It can be divided in two parts, 1364 and 157040, that added together give a square (158404 = 398²).

The spelling of 1364157040 in words is "one billion, three hundred sixty-four million, one hundred fifty-seven thousand, forty".