151540139 has 2 divisors, whose sum is σ = 151540140. Its totient is φ = 151540138.

The previous prime is 151540133. The next prime is 151540157. The reversal of 151540139 is 931045151.

It is a weak prime.

It is an emirp because it is prime and its reverse (931045151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151540139 - 2¹² = 151536043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (151540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75770069 + 75770070.

It is an arithmetic number, because the mean of its divisors is an integer number (75770070).

Almost surely, 2^151540139 is an apocalyptic number.

151540139 is a deficient number, since it is larger than the sum of its proper divisors (1).

151540139 is an equidigital number, since it uses as much as digits as its factorization.

151540139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 151540139 is about 12310.1640525218. The cubic root of 151540139 is about 533.1415870170.

The spelling of 151540139 in words is "one hundred fifty-one million, five hundred forty thousand, one hundred thirty-nine".