1397101290 has 64 divisors (see below), whose sum is σ = 3632017536. Its totient is φ = 341897472.

The previous prime is 1397101283. The next prime is 1397101301. The reversal of 1397101290 is 921017931.

It is a super-3 number, since 3×1397101290³ (a number of 28 digits) contains 333 as substring.

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, 57117 + ... + 77823.

It is an arithmetic number, because the mean of its divisors is an integer number (56750274).

Almost surely, 2^1397101290 is an apocalyptic number.

1397101290 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 1397101290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816008768).

1397101290 is an abundant number, since it is smaller than the sum of its proper divisors (2234916246).

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

1397101290 is a wasteful number, since it uses less digits than its factorization.

1397101290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20903.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1397101290 is about 37377.8181546221. The cubic root of 1397101290 is about 1117.9163241171.

The spelling of 1397101290 in words is "one billion, three hundred ninety-seven million, one hundred one thousand, two hundred ninety".