146906969540 has 48 divisors (see below), whose sum is σ = 309215746560. Its totient is φ = 58627497600.

The previous prime is 146906969527. The next prime is 146906969543. The reversal of 146906969540 is 45969609641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146906969540.

It is not an unprimeable number, because it can be changed into a prime (146906969543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18472565 + ... + 18480515.

It is an arithmetic number, because the mean of its divisors is an integer number (6441994720).

Almost surely, 2^146906969540 is an apocalyptic number.

146906969540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146906969540 is an abundant number, since it is smaller than the sum of its proper divisors (162308777020).

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

146906969540 is a wasteful number, since it uses less digits than its factorization.

146906969540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972 (or 9970 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 146906969540 in words is "one hundred forty-six billion, nine hundred six million, nine hundred sixty-nine thousand, five hundred forty".