1530131740 has 24 divisors (see below), whose sum is σ = 3225790512. Its totient is φ = 609669120.

The previous prime is 1530131711. The next prime is 1530131749. The reversal of 1530131740 is 471310351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530131749) 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, 143706 + ... + 153985.

It is an arithmetic number, because the mean of its divisors is an integer number (134407938).

Almost surely, 2^1530131740 is an apocalyptic number.

1530131740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530131740 is an abundant number, since it is smaller than the sum of its proper divisors (1695658772).

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

1530131740 is a wasteful number, since it uses less digits than its factorization.

1530131740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297957 (or 297955 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1530131740 is about 39116.8983944280. The cubic root of 1530131740 is about 1152.3284241958.

The spelling of 1530131740 in words is "one billion, five hundred thirty million, one hundred thirty-one thousand, seven hundred forty".