1351253290 has 16 divisors (see below), whose sum is σ = 2484006912. Its totient is φ = 529001104.

The previous prime is 1351253227. The next prime is 1351253291. The reversal of 1351253290 is 923521531.

It is not an unprimeable number, because it can be changed into a prime (1351253291) 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, 1437034 + ... + 1437973.

It is an arithmetic number, because the mean of its divisors is an integer number (155250432).

Almost surely, 2^1351253290 is an apocalyptic number.

1351253290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351253290 is a deficient number, since it is larger than the sum of its proper divisors (1132753622).

1351253290 is a wasteful number, since it uses less digits than its factorization.

1351253290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875061.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1351253290 is about 36759.3973019145. The cubic root of 1351253290 is about 1105.5513556494.

The spelling of 1351253290 in words is "one billion, three hundred fifty-one million, two hundred fifty-three thousand, two hundred ninety".