1354131983490 has 256 divisors, whose sum is σ = 3991772897280. Its totient is φ = 289836476160.

The previous prime is 1354131983489. The next prime is 1354131983521. The reversal of 1354131983490 is 943891314531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52183459 + ... + 52209401.

It is an arithmetic number, because the mean of its divisors is an integer number (15592862880).

Almost surely, 2^{1354131983490} is an apocalyptic number.

1354131983490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1354131983490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995886448640).

1354131983490 is an abundant number, since it is smaller than the sum of its proper divisors (2637640913790).

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

1354131983490 is a wasteful number, since it uses less digits than its factorization.

1354131983490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26046 (or 26000 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 1354131983490 in words is "one trillion, three hundred fifty-four billion, one hundred thirty-one million, nine hundred eighty-three thousand, four hundred ninety".