149127742 has 8 divisors (see below), whose sum is σ = 229147632. Its totient is φ = 72745200.

The previous prime is 149127739. The next prime is 149127749. The reversal of 149127742 is 247721941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149127749) 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, 909234 + ... + 909397.

It is an arithmetic number, because the mean of its divisors is an integer number (28643454).

Almost surely, 2^149127742 is an apocalyptic number.

149127742 is a deficient number, since it is larger than the sum of its proper divisors (80019890).

149127742 is a wasteful number, since it uses less digits than its factorization.

149127742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818674.

The product of its digits is 28224, while the sum is 37.

The square root of 149127742 is about 12211.7870109170. The cubic root of 149127742 is about 530.2973790947.

The spelling of 149127742 in words is "one hundred forty-nine million, one hundred twenty-seven thousand, seven hundred forty-two".