1398532070 has 32 divisors (see below), whose sum is σ = 2735020512. Its totient is φ = 511805952.

The previous prime is 1398532049. The next prime is 1398532087. The reversal of 1398532070 is 702358931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32912 + ... + 62291.

It is an arithmetic number, because the mean of its divisors is an integer number (85469391).

Almost surely, 2^1398532070 is an apocalyptic number.

1398532070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1398532070 is a deficient number, since it is larger than the sum of its proper divisors (1336488442).

1398532070 is a wasteful number, since it uses less digits than its factorization.

1398532070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95336.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1398532070 is about 37396.9526833404. The cubic root of 1398532070 is about 1118.2978155721.

The spelling of 1398532070 in words is "one billion, three hundred ninety-eight million, five hundred thirty-two thousand, seventy".