1351055898 has 12 divisors (see below), whose sum is σ = 2927287818. Its totient is φ = 450351960.

The previous prime is 1351055897. The next prime is 1351055917. The reversal of 1351055898 is 8985501531.

1351055898 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 0 + 558 + 98 = 666.

It can be written as a sum of positive squares in only one way, i.e., 990549729 + 360506169 = 31473^2 + 18987^2 .

It is not an unprimeable number, because it can be changed into a prime (1351055897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37529313 + ... + 37529348.

Almost surely, 2^1351055898 is an apocalyptic number.

1351055898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1351055898 is an abundant number, since it is smaller than the sum of its proper divisors (1576231920).

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

1351055898 is a wasteful number, since it uses less digits than its factorization.

1351055898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75058669 (or 75058666 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The square root of 1351055898 is about 36756.7122849691. The cubic root of 1351055898 is about 1105.4975197964.

The spelling of 1351055898 in words is "one billion, three hundred fifty-one million, fifty-five thousand, eight hundred ninety-eight".