1098131477 has 8 divisors (see below), whose sum is σ = 1112209056. Its totient is φ = 1084124752.

The previous prime is 1098131459. The next prime is 1098131479. The reversal of 1098131477 is 7741318901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098131477 is a prime.

It is a super-3 number, since 3×1098131477³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098131479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13838 + ... + 48864.

It is an arithmetic number, because the mean of its divisors is an integer number (139026132).

Almost surely, 2^1098131477 is an apocalyptic number.

It is an amenable number.

1098131477 is a deficient number, since it is larger than the sum of its proper divisors (14077579).

1098131477 is a wasteful number, since it uses less digits than its factorization.

1098131477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35427.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 1098131477 is about 33138.0668868901. The cubic root of 1098131477 is about 1031.6952874820.

The spelling of 1098131477 in words is "one billion, ninety-eight million, one hundred thirty-one thousand, four hundred seventy-seven".