149707947 has 8 divisors (see below), whose sum is σ = 206493840. Its totient is φ = 96363680.

The previous prime is 149707939. The next prime is 149707991. The reversal of 149707947 is 749707941.

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

It is a cyclic number.

It is not a de Polignac number, because 149707947 - 2³ = 149707939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149707896 and 149707905.

It is not an unprimeable number, because it can be changed into a prime (149707447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860304 + ... + 860477.

It is an arithmetic number, because the mean of its divisors is an integer number (25811730).

Almost surely, 2^149707947 is an apocalyptic number.

149707947 is a deficient number, since it is larger than the sum of its proper divisors (56785893).

149707947 is a wasteful number, since it uses less digits than its factorization.

149707947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720813.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 149707947 is about 12235.5198908751. The cubic root of 149707947 is about 530.9842243000.

The spelling of 149707947 in words is "one hundred forty-nine million, seven hundred seven thousand, nine hundred forty-seven".