1351623795390 has 192 divisors, whose sum is σ = 3966478790400. Its totient is φ = 327278128320.

The previous prime is 1351623795373. The next prime is 1351623795397. The reversal of 1351623795390 is 935973261531.

1351623795390 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 623 + 7 + 9 + 5 + 3 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351623795397) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28039449 + ... + 28087611.

It is an arithmetic number, because the mean of its divisors is an integer number (20658743700).

Almost surely, 2^{1351623795390} is an apocalyptic number.

1351623795390 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 1351623795390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983239395200).

1351623795390 is an abundant number, since it is smaller than the sum of its proper divisors (2614854995010).

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

1351623795390 is a wasteful number, since it uses less digits than its factorization.

1351623795390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49060 (or 49043 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 54.

The spelling of 1351623795390 in words is "one trillion, three hundred fifty-one billion, six hundred twenty-three million, seven hundred ninety-five thousand, three hundred ninety".