147026640 has 40 divisors (see below), whose sum is σ = 455783328. Its totient is φ = 39207040.

The previous prime is 147026639. The next prime is 147026657. The reversal of 147026640 is 46620741.

147026640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 147026598 and 147026607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306066 + ... + 306545.

Almost surely, 2^147026640 is an apocalyptic number.

147026640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147026640 is an abundant number, since it is smaller than the sum of its proper divisors (308756688).

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

147026640 is a wasteful number, since it uses less digits than its factorization.

147026640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612627 (or 612621 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 147026640 is about 12125.4542182963. The cubic root of 147026640 is about 527.7950880708.

The spelling of 147026640 in words is "one hundred forty-seven million, twenty-six thousand, six hundred forty".