1303158240 has 96 divisors (see below), whose sum is σ = 4561068960. Its totient is φ = 347507712.

The previous prime is 1303158229. The next prime is 1303158251. The reversal of 1303158240 is 428513031.

It is a happy number.

1303158240 is a `hidden beast` number, since 13 + 0 + 31 + 582 + 40 = 666.

1303158240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1303158229) and next prime (1303158251).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 146509 + ... + 155148.

It is an arithmetic number, because the mean of its divisors is an integer number (47511135).

Almost surely, 2^1303158240 is an apocalyptic number.

1303158240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303158240 is an abundant number, since it is smaller than the sum of its proper divisors (3257910720).

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

1303158240 is a wasteful number, since it uses less digits than its factorization.

1303158240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301681 (or 301667 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1303158240 is about 36099.2830953746. The cubic root of 1303158240 is about 1092.2759838608.

The spelling of 1303158240 in words is "one billion, three hundred three million, one hundred fifty-eight thousand, two hundred forty".