2134654056990 has 960 divisors, whose sum is σ = 7463633683968. Its totient is φ = 433452902400.

The previous prime is 2134654056979. The next prime is 2134654057009. The reversal of 2134654056990 is 996504564312.

2134654056990 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 6 + 540 + 5 + 6 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 5070436980 + ... + 5070437400.

Almost surely, 2^{2134654056990} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134654056990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3731816841984).

2134654056990 is an abundant number, since it is smaller than the sum of its proper divisors (5328979626978).

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

2134654056990 is a wasteful number, since it uses less digits than its factorization.

2134654056990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 2134654056990 in words is "two trillion, one hundred thirty-four billion, six hundred fifty-four million, fifty-six thousand, nine hundred ninety".