1500140139 has 4 divisors (see below), whose sum is σ = 2000186856. Its totient is φ = 1000093424.

The previous prime is 1500140119. The next prime is 1500140141. The reversal of 1500140139 is 9310410051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1500140139 - 2¹¹ = 1500138091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1500140119) 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, 250023354 + ... + 250023359.

It is an arithmetic number, because the mean of its divisors is an integer number (500046714).

Almost surely, 2^1500140139 is an apocalyptic number.

1500140139 is a deficient number, since it is larger than the sum of its proper divisors (500046717).

1500140139 is an equidigital number, since it uses as much as digits as its factorization.

1500140139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500046716.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1500140139 is about 38731.6426065304. The cubic root of 1500140139 is about 1144.7498901342.

The spelling of 1500140139 in words is "one billion, five hundred million, one hundred forty thousand, one hundred thirty-nine".