1013554381 has 8 divisors (see below), whose sum is σ = 1158901184. Its totient is φ = 868345920.

The previous prime is 1013554369. The next prime is 1013554387. The reversal of 1013554381 is 1834553101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013554381 - 2⁵ = 1013554349 is a prime.

It is a super-2 number, since 2×1013554381² = 2054584966488586322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013554387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18375 + ... + 48628.

It is an arithmetic number, because the mean of its divisors is an integer number (144862648).

Almost surely, 2^1013554381 is an apocalyptic number.

It is an amenable number.

1013554381 is a deficient number, since it is larger than the sum of its proper divisors (145346803).

1013554381 is an equidigital number, since it uses as much as digits as its factorization.

1013554381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69171.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1013554381 is about 31836.3688413110. The cubic root of 1013554381 is about 1004.4978658708.

It can be divided in two parts, 10135 and 54381, that added together give a square (64516 = 254²).

The spelling of 1013554381 in words is "one billion, thirteen million, five hundred fifty-four thousand, three hundred eighty-one".