2154703134620 has 48 divisors (see below), whose sum is σ = 4577688017280. Its totient is φ = 851830273536.

The previous prime is 2154703134533. The next prime is 2154703134643. The reversal of 2154703134620 is 264313074512.

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, 3893309 + ... + 4412171.

It is an arithmetic number, because the mean of its divisors is an integer number (95368500360).

Almost surely, 2^{2154703134620} is an apocalyptic number.

2154703134620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154703134620 is an abundant number, since it is smaller than the sum of its proper divisors (2422984882660).

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

2154703134620 is a wasteful number, since it uses less digits than its factorization.

2154703134620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521294 (or 521292 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 2154703134620 in words is "two trillion, one hundred fifty-four billion, seven hundred three million, one hundred thirty-four thousand, six hundred twenty".