1355254140 has 24 divisors (see below), whose sum is σ = 3794711760. Its totient is φ = 361401088.

The previous prime is 1355254067. The next prime is 1355254171. The reversal of 1355254140 is 414525531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1355254098 and 1355254107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11293725 + ... + 11293844.

It is an arithmetic number, because the mean of its divisors is an integer number (158112990).

Almost surely, 2^1355254140 is an apocalyptic number.

1355254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355254140 is an abundant number, since it is smaller than the sum of its proper divisors (2439457620).

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

1355254140 is a wasteful number, since it uses less digits than its factorization.

1355254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22587581 (or 22587579 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1355254140 is about 36813.7764973929. The cubic root of 1355254140 is about 1106.6414021829.

Adding to 1355254140 its reverse (414525531), we get a palindrome (1769779671).

The spelling of 1355254140 in words is "one billion, three hundred fifty-five million, two hundred fifty-four thousand, one hundred forty".