146726340 has 48 divisors (see below), whose sum is σ = 411469632. Its totient is φ = 39066496.

The previous prime is 146726311. The next prime is 146726347. The reversal of 146726340 is 43627641.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (146726347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48142 + ... + 51098.

It is an arithmetic number, because the mean of its divisors is an integer number (8572284).

Almost surely, 2^146726340 is an apocalyptic number.

146726340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146726340 is an abundant number, since it is smaller than the sum of its proper divisors (264743292).

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

146726340 is a wasteful number, since it uses less digits than its factorization.

146726340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 146726340 is about 12113.0648475107. The cubic root of 146726340 is about 527.4355049440.

It can be divided in two parts, 14672 and 6340, that added together give a palindrome (21012).

The spelling of 146726340 in words is "one hundred forty-six million, seven hundred twenty-six thousand, three hundred forty".