146999677 has 4 divisors (see below), whose sum is σ = 160363296. Its totient is φ = 133636060.

The previous prime is 146999659. The next prime is 146999681. The reversal of 146999677 is 776999641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 776999641 = 11 ⋅70636331.

It is a cyclic number.

It is not a de Polignac number, because 146999677 - 2⁷ = 146999549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146999777) 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, 6681793 + ... + 6681814.

It is an arithmetic number, because the mean of its divisors is an integer number (40090824).

Almost surely, 2^146999677 is an apocalyptic number.

It is an amenable number.

146999677 is a deficient number, since it is larger than the sum of its proper divisors (13363619).

146999677 is a wasteful number, since it uses less digits than its factorization.

146999677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363618.

The product of its digits is 5143824, while the sum is 58.

The square root of 146999677 is about 12124.3423326793. The cubic root of 146999677 is about 527.7628222425.

The spelling of 146999677 in words is "one hundred forty-six million, nine hundred ninety-nine thousand, six hundred seventy-seven".