146932691 has 6 divisors (see below), whose sum is σ = 147463092. Its totient is φ = 146404040.

The previous prime is 146932663. The next prime is 146932727. The reversal of 146932691 is 196239641.

It is not a de Polignac number, because 146932691 - 2¹⁸ = 146670547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146932631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150836 + ... + 151806.

It is an arithmetic number, because the mean of its divisors is an integer number (24577182).

Almost surely, 2^146932691 is an apocalyptic number.

146932691 is a deficient number, since it is larger than the sum of its proper divisors (530401).

146932691 is an frugal number, since it uses more digits than its factorization.

146932691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1360 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 146932691 is about 12121.5795587869. The cubic root of 146932691 is about 527.6826449876.

The spelling of 146932691 in words is "one hundred forty-six million, nine hundred thirty-two thousand, six hundred ninety-one".