152139047 has 8 divisors (see below), whose sum is σ = 155748096. Its totient is φ = 148545592.

The previous prime is 152139037. The next prime is 152139059. The reversal of 152139047 is 740931251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152139047 is a prime.

It is a super-3 number, since 3×152139047³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152139037) 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 7 ways as a sum of consecutive naturals, for example, 17168 + ... + 24474.

It is an arithmetic number, because the mean of its divisors is an integer number (19468512).

Almost surely, 2^152139047 is an apocalyptic number.

152139047 is a deficient number, since it is larger than the sum of its proper divisors (3609049).

152139047 is an equidigital number, since it uses as much as digits as its factorization.

152139047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 152139047 is about 12334.4658173753. The cubic root of 152139047 is about 533.8430140265.

The spelling of 152139047 in words is "one hundred fifty-two million, one hundred thirty-nine thousand, forty-seven".