1506329138 has 8 divisors (see below), whose sum is σ = 2259895680. Its totient is φ = 753030580.

The previous prime is 1506329131. The next prime is 1506329141. The reversal of 1506329138 is 8319236051.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1506329131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52298 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (282486960).

Almost surely, 2^1506329138 is an apocalyptic number.

1506329138 is a deficient number, since it is larger than the sum of its proper divisors (753566542).

1506329138 is a wasteful number, since it uses less digits than its factorization.

1506329138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133992.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1506329138 is about 38811.4562726007. The cubic root of 1506329138 is about 1146.3219954961.

The spelling of 1506329138 in words is "one billion, five hundred six million, three hundred twenty-nine thousand, one hundred thirty-eight".