146726540 has 12 divisors (see below), whose sum is σ = 308125776. Its totient is φ = 58690608.

The previous prime is 146726509. The next prime is 146726543. The reversal of 146726540 is 45627641.

It is a self number, because there is not a number n which added to its sum of digits gives 146726540.

It is not an unprimeable number, because it can be changed into a prime (146726543) 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, 3668144 + ... + 3668183.

It is an arithmetic number, because the mean of its divisors is an integer number (25677148).

Almost surely, 2^146726540 is an apocalyptic number.

146726540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146726540 is an abundant number, since it is smaller than the sum of its proper divisors (161399236).

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

146726540 is a wasteful number, since it uses less digits than its factorization.

146726540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336336 (or 7336334 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 146726540 is about 12113.0731030569. The cubic root of 146726540 is about 527.4357445898.

It can be divided in two parts, 14672 and 6540, that added together give a palindrome (21212).

The spelling of 146726540 in words is "one hundred forty-six million, seven hundred twenty-six thousand, five hundred forty".