146191340 has 12 divisors (see below), whose sum is σ = 307001856. Its totient is φ = 58476528.

The previous prime is 146191327. The next prime is 146191373. The reversal of 146191340 is 43191641.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3654764 + ... + 3654803.

It is an arithmetic number, because the mean of its divisors is an integer number (25583488).

Almost surely, 2^146191340 is an apocalyptic number.

146191340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146191340 is an abundant number, since it is smaller than the sum of its proper divisors (160810516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146191340 is a wasteful number, since it uses less digits than its factorization.

146191340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309576 (or 7309574 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 146191340 is about 12090.9610866961. The cubic root of 146191340 is about 526.7936714126.

The spelling of 146191340 in words is "one hundred forty-six million, one hundred ninety-one thousand, three hundred forty".