1357451490 has 64 divisors (see below), whose sum is σ = 3450387456. Its totient is φ = 341068992.

The previous prime is 1357451489. The next prime is 1357451503. The reversal of 1357451490 is 941547531.

1357451490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31549 + ... + 60911.

It is an arithmetic number, because the mean of its divisors is an integer number (53912304).

Almost surely, 2^1357451490 is an apocalyptic number.

1357451490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1357451490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725193728).

1357451490 is an abundant number, since it is smaller than the sum of its proper divisors (2092935966).

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

1357451490 is a wasteful number, since it uses less digits than its factorization.

1357451490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29463.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1357451490 is about 36843.6085366241. The cubic root of 1357451490 is about 1107.2391659503.

The spelling of 1357451490 in words is "one billion, three hundred fifty-seven million, four hundred fifty-one thousand, four hundred ninety".