2136547890 has 48 divisors (see below), whose sum is σ = 5625360000. Its totient is φ = 562532256.

The previous prime is 2136547877. The next prime is 2136547927. The reversal of 2136547890 is 987456312.

2136547890 is a `hidden beast` number, since 2 + 13 + 6 + 547 + 8 + 90 = 666.

2136547890 is digitally balanced in base 4 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

2136547890 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143140 + ... + 157359.

It is an arithmetic number, because the mean of its divisors is an integer number (117195000).

It is a 1-persistent number, because it is pandigital, but 2⋅2136547890 = 4273095780 is not.

Almost surely, 2^2136547890 is an apocalyptic number.

2136547890 is an abundant number, since it is smaller than the sum of its proper divisors (3488812110).

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

2136547890 is a wasteful number, since it uses less digits than its factorization.

2136547890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300591 (or 300588 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2136547890 is about 46222.8070328923. The cubic root of 2136547890 is about 1287.9654425517.

The spelling of 2136547890 in words is "two billion, one hundred thirty-six million, five hundred forty-seven thousand, eight hundred ninety".