1054155140 has 12 divisors (see below), whose sum is σ = 2213725836. Its totient is φ = 421662048.

The previous prime is 1054155101. The next prime is 1054155161. The reversal of 1054155140 is 415514501.

It can be written as a sum of positive squares in 2 ways, for example, as 109453444 + 944701696 = 10462^2 + 30736^2 .

It is a super-2 number, since 2×1054155140² = 2222486118376839200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26353859 + ... + 26353898.

It is an arithmetic number, because the mean of its divisors is an integer number (184477153).

Almost surely, 2^1054155140 is an apocalyptic number.

1054155140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054155140 is an abundant number, since it is smaller than the sum of its proper divisors (1159570696).

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

1054155140 is a wasteful number, since it uses less digits than its factorization.

1054155140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707766 (or 52707764 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1054155140 is about 32467.7553890009. The cubic root of 1054155140 is about 1017.7353125268.

Adding to 1054155140 its reverse (415514501), we get a palindrome (1469669641).

The spelling of 1054155140 in words is "one billion, fifty-four million, one hundred fifty-five thousand, one hundred forty".