146007691 has 4 divisors (see below), whose sum is σ = 146131272. Its totient is φ = 145884112.

The previous prime is 146007671. The next prime is 146007731. The reversal of 146007691 is 196700641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146007691 - 2¹⁵ = 145974923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146007671) 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, 60001 + ... + 62386.

It is an arithmetic number, because the mean of its divisors is an integer number (36532818).

Almost surely, 2^146007691 is an apocalyptic number.

146007691 is a deficient number, since it is larger than the sum of its proper divisors (123581).

146007691 is a wasteful number, since it uses less digits than its factorization.

146007691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123580.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 146007691 is about 12083.3642252479. The cubic root of 146007691 is about 526.5729887775.

The spelling of 146007691 in words is "one hundred forty-six million, seven thousand, six hundred ninety-one".