147419999 has 4 divisors (see below), whose sum is σ = 148797864. Its totient is φ = 146042136.

The previous prime is 147419989. The next prime is 147420001. The reversal of 147419999 is 999914741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999914741 = 7 ⋅142844963.

It is a cyclic number.

It is not a de Polignac number, because 147419999 - 2¹⁶ = 147354463 is a prime.

It is a super-2 number, since 2×147419999² = 43465312210320002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147419999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147419939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688772 + ... + 688985.

It is an arithmetic number, because the mean of its divisors is an integer number (37199466).

Almost surely, 2^147419999 is an apocalyptic number.

147419999 is a deficient number, since it is larger than the sum of its proper divisors (1377865).

147419999 is a wasteful number, since it uses less digits than its factorization.

147419999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377864.

The product of its digits is 734832, while the sum is 53.

The square root of 147419999 is about 12141.6637657283. The cubic root of 147419999 is about 528.2653612850.

The spelling of 147419999 in words is "one hundred forty-seven million, four hundred nineteen thousand, nine hundred ninety-nine".