1141653620 has 48 divisors (see below), whose sum is σ = 2436594048. Its totient is φ = 449270400.

The previous prime is 1141653607. The next prime is 1141653631. The reversal of 1141653620 is 263561411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321374 + ... + 324906.

It is an arithmetic number, because the mean of its divisors is an integer number (50762376).

Almost surely, 2^1141653620 is an apocalyptic number.

1141653620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141653620 is an abundant number, since it is smaller than the sum of its proper divisors (1294940428).

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

1141653620 is a wasteful number, since it uses less digits than its factorization.

1141653620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1141653620 is about 33788.3651572549. The cubic root of 1141653620 is about 1045.1487834066.

The spelling of 1141653620 in words is "one billion, one hundred forty-one million, six hundred fifty-three thousand, six hundred twenty".