1505136929 has 2 divisors, whose sum is σ = 1505136930. Its totient is φ = 1505136928.

The previous prime is 1505136847. The next prime is 1505136931. The reversal of 1505136929 is 9296315051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324960000 + 180176929 = 36400^2 + 13423^2 .

It is an emirp because it is prime and its reverse (9296315051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1505136929 is a prime.

Together with 1505136931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1505136959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752568464 + 752568465.

It is an arithmetic number, because the mean of its divisors is an integer number (752568465).

Almost surely, 2^1505136929 is an apocalyptic number.

It is an amenable number.

1505136929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505136929 is an equidigital number, since it uses as much as digits as its factorization.

1505136929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1505136929 is about 38796.0942492927. The cubic root of 1505136929 is about 1146.0194905349.

The spelling of 1505136929 in words is "one billion, five hundred five million, one hundred thirty-six thousand, nine hundred twenty-nine".