1500001390 has 8 divisors (see below), whose sum is σ = 2700002520. Its totient is φ = 600000552.

The previous prime is 1500001387. The next prime is 1500001397. The reversal of 1500001390 is 931000051.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500001397) 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, 75000060 + ... + 75000079.

It is an arithmetic number, because the mean of its divisors is an integer number (337500315).

Almost surely, 2^1500001390 is an apocalyptic number.

1500001390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1500001390 is a deficient number, since it is larger than the sum of its proper divisors (1200001130).

1500001390 is a wasteful number, since it uses less digits than its factorization.

1500001390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150000146.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1500001390 is about 38729.8514068928. The cubic root of 1500001390 is about 1144.7145961427.

The spelling of 1500001390 in words is "one billion, five hundred million, one thousand, three hundred ninety".