152703139 has 4 divisors (see below), whose sum is σ = 152847856. Its totient is φ = 152558424.

The previous prime is 152703137. The next prime is 152703157. The reversal of 152703139 is 931307251.

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 152703139 - 2¹ = 152703137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152703139.

It is not an unprimeable number, because it can be changed into a prime (152703137) 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, 70764 + ... + 72889.

It is an arithmetic number, because the mean of its divisors is an integer number (38211964).

Almost surely, 2^152703139 is an apocalyptic number.

152703139 is a deficient number, since it is larger than the sum of its proper divisors (144717).

152703139 is a wasteful number, since it uses less digits than its factorization.

152703139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144716.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 152703139 is about 12357.3111557491. The cubic root of 152703139 is about 534.5019839304.

The spelling of 152703139 in words is "one hundred fifty-two million, seven hundred three thousand, one hundred thirty-nine".