147749613 has 8 divisors (see below), whose sum is σ = 214908576. Its totient is φ = 89545200.

The previous prime is 147749611. The next prime is 147749617. The reversal of 147749613 is 316947741.

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

It is not a de Polignac number, because 147749613 - 2¹ = 147749611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147749611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238598 + ... + 2238663.

It is an arithmetic number, because the mean of its divisors is an integer number (26863572).

Almost surely, 2^147749613 is an apocalyptic number.

It is an amenable number.

147749613 is a deficient number, since it is larger than the sum of its proper divisors (67158963).

147749613 is a wasteful number, since it uses less digits than its factorization.

147749613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477275.

The product of its digits is 127008, while the sum is 42.

The square root of 147749613 is about 12155.2298620799. The cubic root of 147749613 is about 528.6587815525.

The spelling of 147749613 in words is "one hundred forty-seven million, seven hundred forty-nine thousand, six hundred thirteen".