1502235139 has 2 divisors, whose sum is σ = 1502235140. Its totient is φ = 1502235138.

The previous prime is 1502235131. The next prime is 1502235149. The reversal of 1502235139 is 9315322051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1502235139 - 2³ = 1502235131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1502235139.

It is not a weakly prime, because it can be changed into another prime (1502235131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751117569 + 751117570.

It is an arithmetic number, because the mean of its divisors is an integer number (751117570).

Almost surely, 2^1502235139 is an apocalyptic number.

1502235139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502235139 is an equidigital number, since it uses as much as digits as its factorization.

1502235139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1502235139 is about 38758.6782411372. The cubic root of 1502235139 is about 1145.2825371423.

The spelling of 1502235139 in words is "one billion, five hundred two million, two hundred thirty-five thousand, one hundred thirty-nine".