1357138270 has 16 divisors (see below), whose sum is σ = 2571420240. Its totient is φ = 514283904.

The previous prime is 1357138267. The next prime is 1357138273. The reversal of 1357138270 is 728317531.

It is an interprime number because it is at equal distance from previous prime (1357138267) and next prime (1357138273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357138273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571227 + ... + 3571606.

It is an arithmetic number, because the mean of its divisors is an integer number (160713765).

Almost surely, 2^1357138270 is an apocalyptic number.

1357138270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1357138270 is a deficient number, since it is larger than the sum of its proper divisors (1214281970).

1357138270 is a wasteful number, since it uses less digits than its factorization.

1357138270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142859.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1357138270 is about 36839.3576219782. The cubic root of 1357138270 is about 1107.1539974975.

The spelling of 1357138270 in words is "one billion, three hundred fifty-seven million, one hundred thirty-eight thousand, two hundred seventy".